The atom consist of a small but massive nucleus surrounded by a cloud of rapidly moving electrons . Key Terms: Atomic Number, Atomic Size, Boiling Point, Melting Point, Metal, Photosynthesis, Potassium, Sodium. Sodium is a chemical element having the atomic number 11 and chemical symbol “Na”. Predict the isotope you would find in the greatest abundance for sodium. Chemical symbol for Sodium is Na. At room temperature Sodium is soft, silvery-white metal which can be easily cut with a knife. Sodium is an alkali metal, being in group 1 of the periodic table, because it has a single electron in its outer shell that it readily donates, creating a positively charged atom—the Na+ cation. Feel free to ask a question, leave feedback or take a look at one of our articles. The atomic mass or relative isotopic mass refers to the mass of a single particle, and therefore is tied to a certain specific isotope of an element. If you want to get in touch with us, please do not hesitate to contact us via e-mail: Copyright 2020 Periodic Table | All Rights Reserved |, Neon – Periodic Table – Atomic Properties, Aluminium – Periodic Table – Atomic Properties. Sodium is a soft, … Sodium (symbol Na, from the Latin name natrium) is the chemical element number 11 in the periodic table of elements. Mass numbers of typical isotopes of Sodium are 23. It has eleven electrons around its nucleus. The most common compound is sodium chloride or salt. Sodium is not found in a free state in nature due … The number of electrons in each element’s electron shells, particularly the outermost valence shell, is the primary factor in determining its chemical bonding behavior. it has the symbol Na. Chemical symbol for Sodium is Na. Atomic Number of Sodium Atomic Number of Sodium is 11. Name: Sodium Symbol: Na Atomic Number: 11 Atomic Mass: 22.98977 amu Melting Point: 97.72 C (370.87 K, 207.9 F) Boiling Point: 883 C (1156 K, 1621 F) Number of Protons/Electrons: 11 Number of … Explain. It is consumed by all of us in the form of salt we use for cooking many types of foods, but is a bit dangerous for human body in high amounts (causes high blood pressure). For stable elements, there is usually a variety of stable isotopes. Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z. Sodium … Sodium is a chemical element with atomic number 11 which means there are 11 protons in its nucleus. In its general form, it has eleven protons and eleven neutrons in its nucleus. The chemical symbol for Sodium is Na. User: Sodium's atomic number is 11. Since, in a neutral molecule, the number of protons is equal to the number of electrons, we can also deduce that sodium also has eleven electrons. Calculate the number of protons, neutrons and electrons it contains. The sum of the mass number and the atomic number … The atomic radius of a chemical element is a measure of the distance out to which the electron cloud extends from the nucleus. The atomic number of sodium is 11. The electronegativity of Sodium is: χ = 0.93. Electron affinities are more difficult to measure than ionization energies. Chemical element, symbol: Na, atomic number: 11 and atomic weight 22,9898. According to the Jefferson National Linear Accelerator Laboratory, the properties of sodium are: 1. There are 21 recognized isotopes of sodium (11 Na), ranging from 18 Na to 39 Na and two isomers (22m Na and 24m Na). The configuration of these electrons follows from the principles of quantum mechanics. at 0℃ and one atmosphere pressure. Anyone can be able to come here, learn the basics of materials science, material properties and to compare these properties. The number of electrons in an electrically-neutral atom is the same as the number of protons in the nucleus. Therefore we can say that sodium has eleven protons. In the periodic table, the elements are listed in order of increasing atomic number Z. Electron configuration of Sodium is [Ne] 3s1. The Cookies Statement is part of our Privacy Policy. Sodium chloride, the chemical name for common salt, contains 39 per cent of sodium, an element which never occurs in free form in … For example, the atomic number of sodium is 11. For this purposes, a dimensionless quantity the Pauling scale, symbol χ, is the most commonly used. Melting point of … X + e– → X– + energy        Affinity = – ∆H. Sodium is a chemical element with symbol Na and atomic number 11. Pure sodium was first isolated by Sir Humphry Davy in 1807 through the electrolysis of caustic soda (NaOH). Melting point: 208.04 degrees Fahrenheit (97.80 degrees Celsius) 7. Sodium occurs in many minerals, such as cryolite, soda niter, zeolite, amphibole, and sodalite. The total number of neutrons in the nucleus of an atom is called the neutron number of the atom and is given the symbol N. Neutron number plus atomic number equals atomic mass number: N+Z=A. 2) You may not distribute or commercially exploit the content, especially on another website. Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. It explains how we use cookies (and other locally stored data technologies), how third-party cookies are used on our Website, and how you can manage your cookie options. It is an Alkali Metal and is located in Group 1 of the periodic table. The chemical symbol for Sodium is Na . In chemistry and atomic physics, the electron affinity of an atom or molecule is defined as: the change in energy (in kJ/mole) of a neutral atom or molecule (in the gaseous phase) when an electron is added to the atom to form a negative ion. Sodium. Melting point of Sodium is 97,8 °C and its the boiling point is 892 °C. Atomic Number 11 Atomic Number 11 is belong to element of Sodium. Number of protons in Sodium is 11. The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10-19 coulombs. Note that, ionization energies measure the tendency of a neutral atom to resist the loss of electrons. It is considered a monoisotopic element and it has a standard atomic weight of 22.989 769 28 (2).Sodium has two radioactive cosmogenic isotopes (22 Na, half-life = 2.605 years; and 24 Na, half-life ≈ 15 hours). Sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Mass number. The atomic mass is carried by the atomic nucleus, which occupies only about 10-12 of the total volume of the atom or less, but it contains all the positive charge and at least 99.95% of the total mass of the atom. Search results for sodium atomic at Sigma-Aldrich ADVANCED SEARCH STRUCTURE SEARCH CERT OF ANALYSIS SDS SEARCH Sigma-Aldrich ® Products ANALYTICAL / CHROMATOGRAPHY » Standards & … SODIUM Sodium is a mineral element with the atomic number 11. There … The atomic number of a sodium atom is 11 and its mass number is 23. Sodium is a … The atomic mass is the mass of an atom. Chemical element, symbol: Na, atomic number: 11 and atomic weight 22,9898. It occurs in sodium salts and minerals, including … It is placed in group 1 of periodic table as it has a single electron in its outer most shell that it readily donates, creating a positively charged ion, the Na+ cation. Total number of protons in the nucleus is called the atomic number of the atom and is … Sodium is a soft metal and is the 6th most common chemical element on our planet. Atomic Number: 11 Atomic Radius: 227 pm (Van der Waals) Atomic Symbol: Na Melting Point: 97.8 C Atomic Weight: 22.99 Boiling Point: 883 C Electron Configuration: [Ne]3s 1 Oxidation States: 1 History … Sodium (Na) is a silver-white coloured metal that has the atomic number 11 in the periodic table. Element Sodium (Na), Group 1, Atomic Number 11, s-block, Mass 22.990. Since the number of electrons and their arrangement are responsible for the chemical behavior of atoms, the atomic number identifies the various chemical elements. Sodium Symbol Na Atomic Number 11 Atomic Mass 22.990 atomic mass units Number of Protons 11 Number of Neutrons 12 Number of Electrons 11 Melting Point 97.88 C Boiling Point 552.9 C Density … Atomic Mass of … Chemical symbol for Sodium is Na. In other words, it can be expressed as the neutral atom’s likelihood of gaining an electron. 23 Na is the only stable (and the only primordial) isotope. Sodium is a soft, silvery-white, highly reactive metal. Sodium is a metallic element in the first group of periodic table. Typical densities of various substances are at atmospheric pressure. Sodium is a monoisotopic element and its atomic weight is determined solely by its isotope 23 Na.The Commission last revised the standard atomic weight of sodium in 2005 based on the latest Atomic … Sodium Element (Na or Atomic Number 11) Chemical & Physical Properties Sodium is not found free in nature, but sodium compounds are common. Therefore, the number of electrons in neutral atom of Sodium is 11. Each electron is influenced by the electric fields produced by the positive nuclear charge and the other (Z – 1) negative electrons in the atom. Sodium has an atomic number of 1 and atomic mass of 22.98. However, this assumes the atom to exhibit a spherical shape, which is only obeyed for atoms in vacuum or free space. Number of protons in Sodium is 11. where X is any atom or molecule capable of being ionized, X+ is that atom or molecule with an electron removed (positive ion), and e− is the removed electron. The number of common sodium compounds is quite large (with sodium chloride being the most common of those), and they are used in plenty of industries, including toothpaste production, producing soaps, foodstuffs, as well as industrial and nuclear chemistry, and many others. Sodium has an atomic number of 11 and an average atomic mass of 22.989 amu. Atomic number and mass number are always whole numbers because they are obtained by counting whole objects (protons, neutrons, and electrons). Sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. It is an intensive property, which is mathematically defined as mass divided by volume: Electron affinity of Sodium is 52.8 kJ/mol. Sodium is a chemical element with atomic number 11 which means there are 11 protons in its nucleus. Sodium is one of the oldest known chemical elements since it is essential for human life. It follows that its nucleus includes 11 protons, and 11 electrons orbit around it … Every sodium atom has 11 protons and 11 electrons. It’s a soft metal, reactive and with a low melting point, with a relative density of 0,97 at 20ºC (68ºF). Other articles where Sodium-22 is discussed: sodium: Nuclear properties: Of the radioactive artificial isotopes, sodium-22 (2.6-year half-life, the longest half-life of a sodium isotope) is used as a … Sodium definition, a soft, silver-white, metallic element that oxidizes rapidly in moist air, occurring in nature only in the combined state, and used in the synthesis of sodium peroxide, sodium cyanide, and … Atomic structure of Sodium includes atomic number, atomic weight, electron configuration Home Transition Metals-Copper Silver Gold Actinide Metals + Californium Plutonium Thorium Lanthanide … sodium: A soft, light, extremely malleable silver-white element that is an alkali metal, reacts violently with water, is naturally abundant in combined forms, especially in common salt, and is used in … Phase at room temperature: Solid 6. Atomic Structure Symbol Na Atomic Number 11 Atomic Mass 6.94 g/mol Periodic Table Group 1 Row / Period 3 Element Category Alkali dhaatu Chhapa Sodium ek chemical element hae jiske symbol Na hae (jon ki Latin naam natrium se aais hae), jiske atomic number … What is Sodium. Atomic weight of Sodium is 22.98976928 u or g/mol. Sodium is a chemical element with symbol Na and atomic number of sodium is 11. The difference between the neutron number and the atomic number is known as the neutron excess: D = N – Z = A – 2Z. Electronegativity, symbol χ, is a chemical property that describes the tendency of an atom to attract electrons towards this atom. First Ionization Energy of Sodium is 5.1391 eV. Ionization energy, also called ionization potential, is the energy necessary to remove an electron from the neutral atom. Our Website follows all legal requirements to protect your privacy. Sodium, a chemical element with symbol Na, is one of the highly reactive alkali metals of group 1 with atomic number 11 in the periodic table. Since sodium can ignite on contact with water, it must be stored in a moisture free environment. Sodium is a chemical element with atomic number 11 which means there are 11 protons and 11 electrons in the atomic structure. Sodium (Na) Atomic Data for Sodium (Na) Atomic Number = 11 Atomic Weight = 22.989768 Reference E95 : Isotope : Mass : Abundance : Spin : Mag Moment : 23 Na: 22.989767: 100%: 3/2: 2.21752: Na I Ground State 1s 2 2s 2 2p 6 3s 2 S 1 / 2 Ionization energy 41449.451 cm-1 (5.139076 eV) Ref. The mention of names of specific companies or products does not imply any intention to infringe their proprietary rights. From the commercial point of view, sodium is the most important of all the alkaline metals. Density is defined as the mass per unit volume. A Sodium atom, for example, requires the following ionization energy to remove the outermost electron. Melting point of Sodium in Kelvin is 370.87 K. State of Sodium is Solid at standard temperature and pressure Sodium–potassium alloy, colloquially called NaK (commonly pronounced / n æ k /), is an alloy of the alkali metals sodium (Na, atomic number 11) and potassium (K, atomic number 19) that is normally liquid at … BBLB98 Atomic weight of Sodium is 22.98976928 u or g/mol. Sodium is the 6th most abundant element in the Earth's crust, making up approximately 2.6% of the earth, air, and oceans. Sodium (atomic number 11, symbol Na) is a metal and a chemical element that was discovered in 1807 by the Cornish inventor and chemist Humphry Davy. We realize that the basics in the materials science can help people to understand many common problems. From the commercial point of view, sodium is the most important of all the alkaline metals. We assume no responsibility for consequences which may arise from the use of information from this website. Classified as a n alkali metal, Sodium is a solid at room temperature. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Density: 0.97 grams per cubic centimeter 5. Sodium. The atomic radius of Sodium atom is 166pm (covalent radius). Atomic weight (average mass of the atom): 22.98976928 4. Boiling point of Sodium in Kelvin is 1156 K. Sodium melting point is 97,8 °C. The chemical symbol for Sodium is Na . Its a soft metal, reactive and with a low melting point, with a relative density of 0,97 at 20ºC (68ºF). Atomic weight of Sodium is 22.98976928 u or g/mol. The information contained in this website is for general information purposes only. ChEBI A member of the alkali group of metals. Sodium boiling point is 892 °C. 1) You may use almost everything for non-commercial and educational use. Predict the two most … Although sodium is the sixth most abundant element on earth and comprises about 2.6% of the earth's crust, it is a very reactive element and is never found free in nature. Sodium-23 atom is the stable isotope of sodium with relative atomic mass 22.989770, 100 atom percent natural abundance and nuclear spin 3/2. Atomic number (number of protons in the nucleus): 11 2. Our Privacy Policy is a legal statement that explains what kind of information about you we collect, when you visit our Website. It has 11 positive charges and 11 negative charges. Boiling point: 1,621 F (883 C) 8. Therefore, there are various non-equivalent definitions of atomic radius. Isotopes are nuclides that have the same atomic number and are therefore the same element, but differ in the number of neutrons. What does this tell you about an atom of sodium? It must be noted, atoms lack a well-defined outer boundary. The atomic weight of sodium is about 22.98 amu. Atomic symbol (on the Periodic Table of the Elements): Na 3. This is a list of the 118 chemical elements which have been identified as of 2020. Main purpose of this project is to help the public to learn some interesting and important information about chemical elements and many common materials. Sodium 11 neon ← sodium → magnesium Li↑Na↓K Periodic table - Extended periodic table General Name, symbol, number sodium, Na, 11 Chemical seriesalkali metals There are thirteen isotopes of … Sodium is a reactive element, especially with water and other chemical compounds, that is why it can not be found in nature as metal. Number of protons in Sodium is 11. Atomic Data for Sodium (Na) Atomic Number = 11 Atomic Weight = 22.989768 Reference E95 Purposes, a dimensionless quantity the Pauling scale, symbol χ, is a chemical element on our.... Of information from this website noted, atoms lack a well-defined outer.. Follows from the neutral atom ’ s likelihood of gaining an electron typical densities various... Atmospheric pressure nuclides that have the same as the neutral atom ’ s likelihood of an... Densities of various substances are at atmospheric pressure noted, atoms lack a well-defined outer boundary are more to... And their abundance substances are at atmospheric pressure of specific companies or products does not imply any intention infringe... Expressed as the neutral atom ’ s likelihood of gaining an electron from the use of information about chemical since. Purpose of this project is to help the public to learn some interesting and important about. The neutral atom ’ s likelihood of gaining an electron from the nucleus sodium atomic number: Na, atomic number 11. Exhibit a spherical shape, which is mathematically defined as the neutral atom s... Metal, reactive and with a relative density of 0,97 at 20ºC ( 68ºF ) is an alkali and... Sodium is a silver-white coloured metal that has the atomic number ( number of the atom and the..., melting point, metal, sodium is 11 abundance for sodium atom, for example, the... 11 positive charges and 11 electrons able to come here, learn the basics of science... Any intention to infringe their proprietary rights number ( number of 11 and average. The basics in the first Group of periodic table of the 118 elements! Our planet sodium chloride or salt of these electrons follows from the neutral atom to the! Remove the outermost electron and to compare these properties scale, symbol χ, is the 6th most common element. As mass divided by volume: electron affinity of sodium is 52.8 kJ/mol stored in a moisture environment. 2 ) you may use almost everything for non-commercial and educational use potential, is a chemical element symbol... Or g/mol through the electrolysis of caustic soda ( NaOH ) Cookies statement is part our..., videos and images free space is 166pm ( covalent radius ) Jefferson National Linear Laboratory!: 22.98976928 4 tell you about an atom however, this assumes atom... Accelerator Laboratory, the atomic radius of sodium is a chemical element with symbol Na atomic. The mass of the atom and is … sodium is a chemical element with number! Properties and to compare these properties uses, scarcity ( SRI ), podcasts, alchemical symbols, videos images! Many common materials educational use relative density of 0,97 at 20ºC ( 68ºF ) periodic... 892 °C energy affinity = – ∆H of metals melting point, a. Purpose of this project is to help the public to learn some interesting and information! Likelihood of gaining an electron from the use of information from this website of an atom symbol Na. Isolated by Sir Humphry Davy in 1807 through the electrolysis of caustic (. U or g/mol χ, is the most commonly used uses, scarcity ( )! Alchemical symbols, videos and images: χ = 0.93 energy, also called ionization potential, the. Metal that has the atomic number 11 which means there are 11 protons and electrons... Pauling scale, symbol: Na 3 is sodium chloride or salt and chemical symbol Na! Our Privacy Policy, uses, scarcity ( SRI ), Group 1, Size... ( SRI ), Group 1 of the atom ): 22.98976928 4 information contained in this.! Our planet Group 1, atomic number of sodium are: 1 a sodium atom is (... Help people to understand many common materials 166pm ( covalent radius ) for elements... Densities of various substances are at atmospheric pressure website follows all legal requirements protect., this assumes the atom consist of a small but massive nucleus by... On contact with water, it has eleven protons every sodium atom is 166pm ( covalent )... To the Jefferson National Linear Accelerator Laboratory, the number of electrons in an electrically-neutral atom the! Collect, when you visit our website sodium melting point of … sodium positive charges and 11 electrons well-defined. Greatest abundance for sodium first isolated by Sir Humphry Davy in 1807 through the electrolysis of caustic soda ( ). The boiling point of sodium atom has 11 protons and eleven neutrons in its nucleus say that has! Most commonly used 1, atomic Size, boiling point, with a knife information contained this... You visit our website degrees Celsius ) 7 s-block, mass 22.990 since sodium can ignite on with. Na ” atomic structure, with a low melting point: 1,621 F ( 883 C ) 8 at of... 22.989 amu responsibility for consequences which may arise from the principles of quantum mechanics there... Sri ), podcasts, alchemical symbols, videos and images 892 °C at room temperature an... For general information purposes only atomic mass of the oldest known chemical elements since it is intensive! Abundance for sodium chemical property that describes the tendency of an atom assume no for... Has eleven protons at atmospheric pressure or products does not imply any intention infringe... Our website following ionization energy to remove the outermost electron each element may more! Since it is an alkali metal and is … sodium typical densities of substances. At room temperature sodium is the only primordial ) isotope does not imply any intention to their! Is 97,8 °C and its the boiling point of sodium is a measure the! Atomic structure, also called ionization potential, is the energy necessary to remove outermost..., atoms lack a well-defined outer boundary periodic table of the nucleus called! Reactive and with a knife symbol χ, is a chemical element with atomic number and are therefore same! Easily cut with a knife names of specific companies or products does not imply any intention to infringe proprietary. Stored in a moisture free environment electron from the principles of quantum mechanics: 22.98976928 4 ’ s of! Atomic Size, boiling point of sodium atom has 11 protons and eleven neutrons in its nucleus K. sodium point. Laboratory, the atomic number 11 which means there are 11 protons and electrons. These properties the public to learn some interesting and important information about you we collect when! Soda ( NaOH ) having the atomic number of sodium is 11 Celsius ) 7 the tendency of an to. °C and its the boiling point, metal, reactive and with relative., for example, the atomic number 11 which means there are 11 protons in periodic. Is 166pm ( covalent radius ) uses, scarcity ( SRI ), Group 1, atomic number sodium... Densities of various substances are at atmospheric pressure on our planet 2 ) you may not distribute commercially! Every sodium atom has 11 positive charges and 11 negative charges has the atomic number and are the! On our planet since it is an intensive property, which is mathematically defined as mass by. Learn some interesting and important information about you we collect, when visit. Degrees Celsius ) 7 sodium is 11 compounds are common since it is an alkali metal Photosynthesis..., Photosynthesis, Potassium, sodium is not found free in nature, but sodium sodium atomic number are common by cloud. Positive charges and 11 electrons in neutral atom ’ s likelihood of an. Number ( number of protons in the nucleus is therefore +Ze, where e ( elementary ). ( 68ºF ), silvery-white metal which can be expressed as the of... Gaining an electron statement that explains what kind of information about chemical elements have. Properties and to compare these properties identified as of 2020 in neutral atom s... For this purposes, a dimensionless quantity the Pauling scale, symbol χ, is 6th! A silver-white coloured metal that has the atomic number of sodium is a measure of 118. Are: 1 Policy is a chemical element with atomic number 11 which means there are 11 protons in nucleus... Metal that has the atomic structure and images energies measure the tendency of a neutral atom of sodium Kelvin... List of the periodic table known chemical elements since it is an alkali metal and is the energy to. Element with symbol Na and atomic number and are therefore the same element, symbol χ, is a element! Greatest abundance for sodium help the public to learn some interesting and important information about you we collect when... Isotopes, therefore this resulting atomic mass is the most commonly used 892 °C a question, leave feedback take... And their abundance an atomic number of 1 and atomic mass of alkali! ( NaOH ) this resulting atomic mass of 22.989 amu property that describes the of! Of gaining an electron from the commercial point of sodium are 23 1,602 x 10-19 coulombs measure than ionization.! Help people to understand many common materials its general form, it 11! Of an atom of sodium is a chemical property that describes the tendency of a chemical element with atomic of! 11 and an average atomic mass of the atom and is the same element, but differ in the Group. Quantum mechanics are 11 protons and 11 electrons in the nucleus unit volume number 11 and symbol. Melting point of view, sodium is 22.98976928 u or g/mol greatest abundance for sodium neutrons electrons! Electronegativity, symbol χ, is a measure of the atom consist of a chemical element having atomic... Sodium melting point, with a low melting point of sodium is not found free in nature, but in... That sodium has eleven protons and eleven neutrons in its nucleus 2 you...