Watch this video to find out how to use the periodic table to identify the atomic and mass numbers of an element. For example, the atomic number of sodium is 11. Every sodium atom has 11 protons and ...
We know that the atomic number of sodium is 11. This tells us that sodium has 11 protons and because it is neutral it has 11 electrons. Sodium has a mass number of 23amu. Since sodium has 11 protons, ...
Element 11 of Periodic table is Sodium with atomic number 11, atomic weight 22.98977. Sodium, symbol Na, has a Body Centered Cubic structure and Silver color. Sodium is a Alkali Metal element. It is part of group 1 (lithium family).
Sodium has eleven protons and twelve neutrons in its nucleus, and eleven electrons in three shells. It is located in group one, period three and block s of the periodic table.
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Atoms are very small. They have a radius of around 1 × 10 10 metres. This symbol shows that chlorine has 35 particles in the nucleus (protons and neutrons), 17 of which are protons. It also tells us ...
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It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable isotope is 23 Na. The free metal does not occur in nature and must be prepared from compounds.