- Hydrogen: Element - Hydrogen, Symbol - H, Protons - 1, Neutrons - 0, Electrons - 1, Atomic Mass (amu) - 1
- Helium: Element - Helium, Symbol - He, Protons - 2, Neutrons - 2, Electrons - 2, Atomic Mass (amu) - 4
- Carbon: Element - Carbon, Symbol - C, Protons - 6, Neutrons - 6, Electrons - 6, Atomic Mass (amu) - 12
- Nitrogen: Element - Nitrogen, Symbol - N, Protons - 7, Neutrons - 7, Electrons - 7, Atomic Mass (amu) - 14
- Oxygen: Element - Oxygen, Symbol - O, Protons - 8, Neutrons - 8, Electrons - 8, Atomic Mass (amu) - 16
- Sodium: Element - Sodium, Symbol - Na, Protons - 11, Neutrons - 12, Electrons - 11, Atomic Mass (amu) - 23
- Chlorine: Element - Chlorine, Symbol - Cl, Protons - 17, Neutrons - 18, Electrons - 17, Atomic Mass (amu) - 35
- Iron: Element - Iron, Symbol - Fe, Protons - 26, Neutrons - 30, Electrons - 26, Atomic Mass (amu) - 56
- Uranium-235: Protons - 92, Neutrons - 143, Electrons - 92
- Atom with 18 protons, 22 neutrons, and 18 electrons: Atomic Mass - 40 amu, Element - Argon (Ar)
- Sodium-23: Protons - 11, Neutrons - 12, Electrons - 11
- Aluminum-27: Protons - 13, Neutrons - 14, Electrons - 13
Parent Tip: Review the logic above to help your child master the concept of periodic table protons neutrons and electrons worksheet.
