Question

Formations of different molecules

Answer 1

Answer:

When atoms join together in various combinations of kind and number, they form molecules. When molecules are made from two or more different kinds of atoms, the substances are called compounds. If molecules are made from only one kind of atom, the substances are elements.

*There are only just over 100 types of atoms, but there are millions and millions of different types of substances out there. This is because they are all made up of different types of molecules

hope it helps u............

Answer 2

When atoms join together in various combinations of kind and number, they form molecules. When molecules are made from two or more different kinds of atoms, the substances are called compounds. If molecules are made from only one kind of atom, the substances are elements.