61 Pm Promethium 145.0 u

Promethium

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주기
6
족
—
블록
f-블록
상 (표준 상태)
Solid

Promethium is the only radioactive lanthanide with no stable isotopes. It is used in luminous paint and nuclear batteries.

물리적 성질

원자 질량 145.0 u
표준 상태에서의 상 Solid

전자적 성질

전기 음성도 1.13

전자 배치

배치 [Xe] 4f⁵ 6s²

Electron Shell Configuration

Promethium electron shell configuration Pm 2e⁻ 8e⁻ 18e⁻ 23e⁻ 8e⁻ 2e⁻

Position in Periodic Table

Promethium position in the periodic table Pm

블록 & 주기

블록

s p d f

주기

1 2 3 4 5 6 7

주기율표

란타넘족 악티늄족

더 많은 란타넘족

57 La Lanthanum 58 Ce Cerium 59 Pr Praseodymium 60 Nd Neodymium 62 Sm Samarium 63 Eu Europium 64 Gd Gadolinium 65 Tb Terbium 66 Dy Dysprosium 67 Ho Holmium

Frequently Asked Questions

What is Promethium?
Promethium (Pm) is a chemical element with atomic number 61. It is a solid at standard temperature and pressure, classified as a 란타넘족.
What are the key properties of Promethium?
Promethium has an atomic mass of 145.0 u.
What is the electron configuration of Promethium?
The electron configuration of Promethium is [Xe] 4f5 6s2. It is in the f-block of the periodic table.
What is the electronegativity of Promethium?
Promethium has an electronegativity of 1.13 on the Pauling scale.