Atoms

Atoms are the basic building blocks of matter that make up everyday objects.Atoms are basically made by protons , electron and neutrons.Protons are possitively carged, Electrons are negatively carged and Neutrons have no charge.The Atomic number is the number of protons inside the nucleous of the atom and it is represented with the letter "Z". " A " represents the atomic mass of an atom, the atomic mass is the  sum of the number of protons and the number of electrons in a single atom.