47 Ag 107.87 u

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주기
5
11
블록
d-블록
상 (표준 상태)
Solid

은은 모든 금속 가운데 전기 및 열 전도도가 가장 높다. 장신구, 사진, 전자제품에 쓰인다.

은 개요

Silver (Ag) possesses the highest electrical and thermal conductivity of any metal, a property that anchors its role in electronics and precision instruments. Element 47 lies in group 11 of period 5 in the d-block, with an atomic mass of 107.87, the electron configuration [Kr] 4d¹⁰ 5s¹, and a Pauling electronegativity of 1.93. Beyond electronics, silver has been worked into jewelry and coinage since antiquity and was central to photographic film through its light-sensitive halide salts. The metal is soft, lustrous, and solid at standard conditions, taking a brilliant polish while remaining more chemically reactive than gold, with which it shares group 11.

물리적 성질

원자 질량 107.87 u
표준 상태에서의 상 Solid

전자적 성질

전기 음성도 1.93

전자 배치

배치 [Kr] 4d¹⁰ 5s¹

전자껍질 배치

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

주기율표에서의 위치

주기율표에서 은의 위치 Ag

은을(를) 포함하는 화합물

Science FYI에서 더 보기

Frequently Asked Questions

What is 은?
은 (Ag) is a chemical element with atomic number 47. It is a solid at standard temperature and pressure, classified as a 전이 금속.
What are the key properties of 은?
은 has an atomic mass of 107.87 u.
What is the electron configuration of 은?
The electron configuration of 은 is [Kr] 4d10 5s1. It is in the d-block of the periodic table.
What is the electronegativity of 은?
은 has an electronegativity of 1.93 on the Pauling scale.