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Match each atomic number to its element.
1. Which element has the atomic number 35?
- Tin
- Phosphorus
- Potassium
- Bromine
Atomic number 35 belongs to Bromine (symbol Br). An element's atomic number equals the number of protons in its nucleus.
2. Which element has the atomic number 53?
- Iodine
- Nitrogen
- Iron
- Cobalt
Atomic number 53 belongs to Iodine (symbol I). An element's atomic number equals the number of protons in its nucleus.
3. Which element has the atomic number 78?
- Mercury
- Platinum
- Nickel
- Argon
Atomic number 78 belongs to Platinum (symbol Pt). An element's atomic number equals the number of protons in its nucleus.
4. Which element has the atomic number 56?
- Tin
- Gold
- Silicon
- Barium
Atomic number 56 belongs to Barium (symbol Ba). An element's atomic number equals the number of protons in its nucleus.
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