- Boron: Symbol B, Atomic Weight 11, Atomic Number 5, Protons 5, Neutrons 6, Electrons 5
- Sodium: Symbol Na, Atomic Weight 24, Atomic Number 11, Protons 11, Neutrons 13, Electrons 11
- Gallium: Symbol Ga, Atomic Weight 70, Atomic Number 31, Protons 31, Neutrons 39, Electrons 31
- Yttrium: Symbol Y, Atomic Weight 89, Atomic Number 39, Protons 39, Neutrons 50, Electrons 39
- Copper: Symbol Cu, Atomic Weight 64, Atomic Number 29, Protons 29, Neutrons 35, Electrons 29
- Technetium: Symbol Tc, Atomic Weight 98, Atomic Number 43, Protons 43, Neutrons 55, Electrons 43
- Lead: Symbol Pb, Atomic Weight 207, Atomic Number 82, Protons 82, Neutrons 125, Electrons 82
- Ytterbium: Symbol Yb, Atomic Weight 173, Atomic Number 70, Protons 70, Neutrons 103, Electrons 70
- Actinium: Symbol Ac, Atomic Weight 227, Atomic Number 89, Protons 89, Neutrons 138, Electrons 89
- Molybdenum: Symbol Mo, Atomic Weight 96, Atomic Number 42, Protons 42, Neutrons 54, Electrons 42
- Thallium: Symbol Tl, Atomic Weight 204, Atomic Number 81, Protons 81, Neutrons 123, Electrons 81
- Fermium: Symbol Fm, Atomic Weight 257, Atomic Number 100, Protons 100, Neutrons 157, Electrons 100
- Nobelium: Symbol No, Atomic Weight 259, Atomic Number 102, Protons 102, Neutrons 157, Electrons 102
- Hydrogen: Symbol H, Atomic Weight 1, Atomic Number 1, Protons 1, Neutrons 0, Electrons 1
- Carbon: Symbol C, Atomic Weight 12, Atomic Number 6, Protons 6, Neutrons 6, Electrons 6
- Nitrogen: Symbol N, Atomic Weight 14, Atomic Number 7, Protons 7, Neutrons 7, Electrons 7
- Barium: Symbol Ba, Atomic Weight 137, Atomic Number 56, Protons 56, Neutrons 81, Electrons 56
- Helium: Symbol He, Atomic Weight 4, Atomic Number 2, Protons 2, Neutrons 2, Electrons 2
- Calcium: Symbol Ca, Atomic Weight 40, Atomic Number 20, Protons 20, Neutrons 20, Electrons 20
- Silicon: Symbol Si, Atomic Weight 28, Atomic Number 14, Protons 14, Neutrons 14, Electrons 14
- Argon: Symbol Ar, Atomic Weight 40, Atomic Number 18, Protons 18, Neutrons 22, Electrons 18
- Magnesium: Symbol Mg, Atomic Weight 24, Atomic Number 12, Protons 12, Neutrons 12, Electrons 12
- Seaborgium: Symbol Sg, Atomic Weight 266, Atomic Number 106, Protons 106, Neutrons 160, Electrons 106
Parent Tip: Review the logic above to help your child master the concept of protons neutrons electrons worksheets.
