Answer
All matter is made up of atoms, and an atom is the smallest unit of matter. Atoms contain positively charged protons, neutral neutrons, and negatively charged electrons. Each element is determined by the amount of protons it has in the nucleus of the atoms.
Work Step by Step
All matter is made up of atoms, and an atom is the smallest unit of matter. Atoms contain positively charged protons, neutral neutrons, and negatively charged electrons. Each element is determined by the amount of protons it has in the nucleus of the atoms and all elements have a different number of protons in the nucleus which is unique to it.
