Is a singular atom, proton, neutron, or electron a solid, liquid, gas, or nothing in those categories?

Question

I kinda already know the answer I think but I want clarification.

In: Physics

Answer 1

A singular uncharged atom contains protons, neutrons and electrons.

Hydrogen ion (H^+ ) is a proton. Helium ion (He^2+ ) is one proton and a neutron.

You cannot decide whether a single atom is a solid, liquid or gas. You need a bunch of them to interact with each other to be able to categorise them.

PS: Highly ELI5’d