Question

The number of atoms that make up a molecule of an element is called

Answer 1

Explanation:

..Chemists generally use the mole as the unit for the number of atoms or molecules of a material. One mole (abbreviated mol) is equal to 6.022×1023 molecular entities (Avogadro's number), and each element has a different molar mass depending on the weight of 6.022×1023 of its atoms (1 mole).

Answer 2

Answer:

atomicity ( because it makes up the molecule)