Atoms combine as the electrons from each atom are attracted to the nuclei of the atoms. This results in bonds ranging from 100% covalent to bonds with high ionic character. The combination of atoms to form compounds occurs when the compounds being formed are at lower energy than the original atoms
Answer:
The correct answer would actually be B
Explanation:
A P E X
The number of protons and neutrons combined in an atom is called the mass number.
