20
Ca
칼슘
40.078 u
칼슘
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Cite "칼슘"
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주기
4
족
2
블록
s-블록
상 (표준 상태)
Solid
칼슘은 인체에서 가장 풍부한 금속이다. 뼈와 치아, 세포 신호 전달에 필수적이다.
외관: 칙칙한 회색, 은색
칼슘을(를) 포함하는 화합물
더 많은 알칼리 토금속
Science FYI에서 더 보기
Frequently Asked Questions
What is 칼슘?
칼슘 (Ca) is a chemical element with atomic number 20. It is a solid at standard temperature and pressure, classified as a 알칼리 토금속.
What are the key properties of 칼슘?
칼슘 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 칼슘?
The electron configuration of 칼슘 is [Ar] 4s2. It is in the s-block of the periodic table.
Who discovered 칼슘?
칼슘 was discovered by Humphry Davy in 1808.
What is the electronegativity of 칼슘?
칼슘 has an electronegativity of 1.0 on the Pauling scale.