E. Give one word for the following.
1. A substance that contains identical atoms
A substance that contains identical atoms - elements.
Give one word for the following.
The temperature at which a substance starts to burn
Give one word answer for the following:
The central, heavy part of the atom containing neutrons and protons.
Give one word or a phrase for:
A pure substance made up of atoms of the same kind.
Give one word/a a few words for each of the following.
The substance with fixed chemical and physical properties.