Chemistry worksheet with instructions on finding answers using a periodic table, including questions about elements like calcium, gold, and mercury.

1. Atomic mass of Calcium: 40.08
2. Atomic mass of Iron: 55.85, Copper: 63.55, Lithium: 6.94
3. Protons: Calcium: 20, Gold: 79, Copper: 29, Iron: 26
4. Electrons: Gold: 79, Iron: 26, Copper: 29, Lithium: 3
5. Oxygen has more protons and electrons than H+ (which has 0 electrons and 1 proton)
6. Mercury is a heavier element than tin (Mercury atomic number 80, Tin 50)
7. Potassium has more electrons than neon (Potassium 19, Neon 10)
8. Hydrogen has fewer electrons than lithium (Hydrogen 1, Lithium 3)
9. Iodine has more protons than sulfur (Iodine 53, Sulfur 16)
10. Symbols/Names:
- Chlorine: Cl
- Copper: Cu
- Potassium: K
- Silver: Ag
- Fluorine: F
- Scandium: Sc
- Zinc: Zn
- Helium: He
- Iron: Fe
- Phosphorus: P
- Nickel: Ni
- Mercury: Hg