Chemistry General Quiz - 2

In solids, there are strong forces of attraction between particles, which holds them close together in fixed positions to form a regular lattice arrangement.

The mass number is the total of protons and neutrons.

The atomic number tells you the number of electrons there are.

A covalent bond is a shared pair of electrons.

The formula to calculate the number of moles is Mass (in grams) of element or compound / Mr of element or compound