93 Np Neptunium 237.0 u

Neptunium

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周期
7
族
—
ブロック
f-ブロック
相 (STP)
Solid

Neptunium was the first synthetic transuranium element, named after the planet Neptune. It is a byproduct in nuclear reactors.

物理的特性

原子質量 237.0 u
STPにおける相 Solid

電子的特性

電気陰性度 1.36

電子配置

配置 [Rn] 5f⁴ 6d¹ 7s²

Electron Shell Configuration

Neptunium electron shell configuration Np 2e⁻ 8e⁻ 18e⁻ 32e⁻ 22e⁻ 9e⁻ 2e⁻

Position in Periodic Table

Neptunium position in the periodic table Np

ブロックと周期

ブロック

s p d f

周期

1 2 3 4 5 6 7

周期表

ランタノイド アクチノイド

Np を含む反応

Americium-241 Alpha Decay

²⁴¹Am → ²³⁷Np + ⁴He

Nuclear

アクチノイド をもっと見る

89 Ac Actinium 90 Th Thorium 91 Pa Protactinium 92 U Uranium 94 Pu Plutonium 95 Am Americium 96 Cm Curium 97 Bk Berkelium 98 Cf Californium 99 Es Einsteinium

Frequently Asked Questions

What is Neptunium?
Neptunium (Np) is a chemical element with atomic number 93. It is a solid at standard temperature and pressure, classified as a アクチノイド.
What are the key properties of Neptunium?
Neptunium has an atomic mass of 237.0 u.
What is the electron configuration of Neptunium?
The electron configuration of Neptunium is [Rn] 5f4 6d1 7s2. It is in the f-block of the periodic table.
What is the electronegativity of Neptunium?
Neptunium has an electronegativity of 1.36 on the Pauling scale.