Question

which statements describe molecules? check all that apply. molecules are made of two or more atoms. molecules are all the same size molecules range in size. molecules are only made of atoms of the same element. molecules are only made of atoms of different elements. molecules are made of atoms of the same element or different elements.

Explanation:

A molecule is a group of two or more atoms held together by chemical bonds. Molecules can be made up of atoms of the same element (e.g., $O_2$) or different elements (e.g., $H_2O$), and they vary in size depending on the number and types of atoms they contain.

Answer:

Molecules are made of two or more atoms.
Molecules range in size.
Molecules are made of atoms of the same element or different elements.