Question

what ia sodium ?????????​

Answer 1

Answer:

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Explanation:

Sodium is a chemical element with the symbol Na and atomic number 11. 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 ²³Na. The free metal does not occur in nature, and must be prepared from compounds.

Symbol: Na

Symbol: NaAtomic mass: 22.989769 u

Symbol: NaAtomic mass: 22.989769 uAtomic number: 11

Symbol: NaAtomic mass: 22.989769 uAtomic number: 11Electron configuration: [Ne] 3s¹

Symbol: NaAtomic mass: 22.989769 uAtomic number: 11Electron configuration: [Ne] 3s¹Van der Waals radius: 227 pm

Symbol: NaAtomic mass: 22.989769 uAtomic number: 11Electron configuration: [Ne] 3s¹Van der Waals radius: 227 pmMelting point: 97.79 °C

Symbol: NaAtomic mass: 22.989769 uAtomic number: 11Electron configuration: [Ne] 3s¹Van der Waals radius: 227 pmMelting point: 97.79 °CCAS ID: 7440-23-5

Answer 2

Answer:

sodium is a chemical elements with symbol NA and atomic number 11. it is soft ,silvery -white, highly reactive metal . sodium is an a alkali metal , being in group 1 periodic table . it's only stable isotope is 23 NA . the Free metal does not occur in nature, and must be prepared from compound.