Identify the following It is the smallest particle of matter 2 Atoms of different number of neutrons but same number of protons 3. A positively charged ion 4 A negatively charged ion 5. The sum of the number of protons and neutrons of an atom 6. It is the smallest particle of matter 7. Atoms of different number of neutrons but same number of protons 8. A positively charged ion 9. A negatively charged ion 10. The sum of the number of protons and neutrons of an atom