11 Na Sodium 22,99 u

Sodium

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Periode
3
Golongan
1
Blok
s-blok
Fase (STP)
Solid

Sodium is a highly reactive alkali metal essential for biological function. Its compound sodium chloride (table salt) is vital for life.

Penampilan: Silvery-white metallic

Sifat Fisika

Massa Atom 22.99 u
Kerapatan 0.971 g/cm³
Titik Lebur 97.8 °C
Titik Didih 882.9 °C
Fase pada STP Solid
Jari-jari Atom 190.0 pm

Sifat Elektronik

Keelektronegatifan 0.93
Energi Ionisasi 495.8 eV
Afinitas Elektron 52.8 eV
Elektron Valensi 1

Konfigurasi Elektron

Konfigurasi [Ne] 3s¹

Electron Shell Configuration

Sodium electron shell configuration Na 2e⁻ 8e⁻ 1e⁻

Position in Periodic Table

Sodium position in the periodic table Na

Penemuan

Ditemukan oleh: Humphry Davy
Tahun: 1807

Compounds Containing Sodium

Lebih banyak Logam Alkali

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 logam alkali.
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.