48 Cd 카드뮴 112.41 u

카드뮴

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주기
5
12
블록
d-블록
상 (표준 상태)
Solid

카드뮴은 전지, 안료, 도금에 쓰이는 무르고 푸른빛이 도는 흰색 금속이다. 독성이 있으며 발암 물질로 알려져 있다.

카드뮴 개요

Cadmium (Cd) is a soft, bluish-white transition metal, element 48, situated in group 12 of period 5 in the d-block. Its electron configuration is [Kr] 4d¹⁰ 5s², its atomic mass 112.41, and its Pauling electronegativity 1.69. Historically the metal found use in rechargeable batteries, in pigments valued for vivid yellows and reds, and in protective anti-corrosion coatings. These applications have been increasingly curtailed, however, because cadmium is toxic and a recognized carcinogen that accumulates in living tissue. Solid at standard temperature and pressure, it sits below zinc and above mercury in group 12 and shares their preference for the +2 oxidation state.

물리적 성질

원자 질량 112.41 u
표준 상태에서의 상 Solid

전자적 성질

전기 음성도 1.69

전자 배치

배치 [Kr] 4d¹⁰ 5s²

전자껍질 배치

카드뮴의 전자껍질 배치 Cd 2e⁻ 8e⁻ 18e⁻ 18e⁻ 2e⁻
카드뮴의 전자껍질 구조 — 껍질별 전자 수.
껍질 전자
1 (K) 2
2 (L) 8
3 (M) 18
4 (N) 18
5 (O) 2

주기율표에서의 위치

주기율표에서 카드뮴의 위치 Cd

카드뮴을(를) 포함하는 화합물

Frequently Asked Questions

What is 카드뮴?
카드뮴 (Cd) is a chemical element with atomic number 48. It is a solid at standard temperature and pressure, classified as a 전이 금속.
What are the key properties of 카드뮴?
카드뮴 has an atomic mass of 112.41 u.
What is the electron configuration of 카드뮴?
The electron configuration of 카드뮴 is [Kr] 4d10 5s2. It is in the d-block of the periodic table.
What is the electronegativity of 카드뮴?
카드뮴 has an electronegativity of 1.69 on the Pauling scale.