85 At Astatine 210.0 u

Astatine

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आवर्त
6
समूह
17
ब्लॉक
p-ब्लॉक
अवस्था (STP)
Solid

Astatine is the rarest naturally occurring element on Earth. Only about 25 grams exist in the crust at any time.

भौतिक गुण

परमाणु द्रव्यमान 210.0 u
STP पर अवस्था Solid

इलेक्ट्रॉनिक गुण

विद्युतऋणात्मकता 2.2

इलेक्ट्रॉन विन्यास

विन्यास [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁵

Electron Shell Configuration

Astatine electron shell configuration At 2e⁻ 8e⁻ 18e⁻ 32e⁻ 18e⁻ 7e⁻

Position in Periodic Table

Astatine position in the periodic table At

ब्लॉक और आवर्त

ब्लॉक

s p d f

आवर्त

1 2 3 4 5 6 7

आवर्त सारणी

लैंथेनाइड एक्टिनाइड

हैलोजन में और

9 F Fluorine 17 Cl Chlorine 35 Br Bromine 53 I Iodine

Frequently Asked Questions

What is Astatine?
Astatine (At) is a chemical element with atomic number 85. It is a solid at standard temperature and pressure, classified as a हैलोजन.
What are the key properties of Astatine?
Astatine has an atomic mass of 210.0 u.
What is the electron configuration of Astatine?
The electron configuration of Astatine is [Xe] 4f14 5d10 6s2 6p5. It is in the p-block of the periodic table.
What is the electronegativity of Astatine?
Astatine has an electronegativity of 2.2 on the Pauling scale.