Is selenium hard or soft

Answer 1

If you mean the elements in their normal forms, F and Cl are gases, Br is a liquid, I is a solid.

If you mean their ligand hard/soft qualities as halide ions:-

the lighter ones are hard, Br- and I- soft

Answer 2

Selenium is not a hard chemical element:
- Mohs hardness: 2
- Brinell hardness: 736 MPa

Answer 3

Selenium is considered to be a relatively soft non-metal element. It is a brittle, solid material with a metallic luster and is a poor conductor of electricity.

Answer 4

Soft, it is an atomic nonmetal chemical.

Answer 5

Selenium is not a metal !