- Physical Sciences
the separation of a dye into the different colours that make up that dye, as a result of the dyes travelling at different speeds through paper.
drawing a line in the diagram of a molecule to indicate where electrons are shared.
the number of protons in the nucleus of an atom, which determines which element it is. In a...
a number that indicates how the atom will react during the formation of chemical bonds.
the energy liberated when an electron is added to an isolated, neutral atom in the gaseous state...