Posts about actinides

Description

Neptunium

Atomic Number: 93Atomic Mass: 237.0482 Introduction Neptunium (chemical symbol Np, atomic number 93) is one of the[…]

Uranium

Atomic Number: 92Atomic Mass: 238.029

Protactinium

Atomic Number: 91Atomic Mass: 231.036

Thorium

Atomic Number: 90Atomic Mass: 232.038

Actinium

Atomic Number: 89Atomic Mass: 227