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Match each atomic number to its element.
1. Which element has the atomic number 47?
- Iron
- Aluminium
- Silicon
- Silver
Atomic number 47 belongs to Silver (symbol Ag). An element's atomic number equals the number of protons in its nucleus.
2. Which element has the atomic number 50?
- Mercury
- Tin
- Uranium
- Oxygen
Atomic number 50 belongs to Tin (symbol Sn). An element's atomic number equals the number of protons in its nucleus.
3. Which element has the atomic number 79?
- Calcium
- Aluminium
- Silver
- Gold
Atomic number 79 belongs to Gold (symbol Au). An element's atomic number equals the number of protons in its nucleus.
4. Which element has the atomic number 80?
- Mercury
- Uranium
- Phosphorus
- Silicon
Atomic number 80 belongs to Mercury (symbol Hg). An element's atomic number equals the number of protons in its nucleus.
5. Which element has the atomic number 82?
- Oxygen
- Lead
- Chlorine
- Calcium
Atomic number 82 belongs to Lead (symbol Pb). An element's atomic number equals the number of protons in its nucleus.
6. Which element has the atomic number 92?
- Gold
- Nickel
- Uranium
- Iron
Atomic number 92 belongs to Uranium (symbol U). An element's atomic number equals the number of protons in its nucleus.
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