20
Ca
Calcium
40.078 u
Calcium
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आवर्त
4
समूह
2
ब्लॉक
s-ब्लॉक
अवस्था (STP)
Solid
Calcium is the most abundant metal in the human body. It is essential for bones, teeth, and cellular signaling.
दिखावट: Dull gray, silver
Compounds Containing Calcium
क्षारीय मृदा धातु में और
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Frequently Asked Questions
What is Calcium?
Calcium (Ca) is a chemical element with atomic number 20. It is a solid at standard temperature and pressure, classified as a क्षारीय मृदा धातु.
What are the key properties of Calcium?
Calcium has an atomic mass of 40.078 u, density of 1.55 g/cm³, melting point of 841.9°C, boiling point of 1483.8°C.
What is the electron configuration of Calcium?
The electron configuration of Calcium is [Ar] 4s2. It is in the s-block of the periodic table.
Who discovered Calcium?
Calcium was discovered by Humphry Davy in 1808.
What is the electronegativity of Calcium?
Calcium has an electronegativity of 1.0 on the Pauling scale.