11
Na
Sodium
22.99 u
Sodium
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周期
3
族
1
ブロック
s-ブロック
相 (STP)
Solid
Sodium is a highly reactive alkali metal essential for biological function. Its compound sodium chloride (table salt) is vital for life.
外観: 銀白色の金属
Compounds Containing Sodium
アルカリ金属 をもっと見る
Frequently Asked Questions
What is Sodium?
Sodium (Na) is a chemical element with atomic number 11. It is a solid at standard temperature and pressure, classified as a アルカリ金属.
What are the key properties of Sodium?
Sodium has an atomic mass of 22.99 u, density of 0.971 g/cm³, melting point of 97.8°C, boiling point of 882.9°C.
What is the electron configuration of Sodium?
The electron configuration of Sodium is [Ne] 3s1. It is in the s-block of the periodic table.
Who discovered Sodium?
Sodium was discovered by Humphry Davy in 1807.
What is the electronegativity of Sodium?
Sodium has an electronegativity of 0.93 on the Pauling scale.