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Which element has protons (atomic number )?
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4. Atoms and Elements
Periodic Table: Element Symbols
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What is the name of the element with 82 protons (atomic number )?
A
Tin (Sn)
B
Mercury (Hg)
C
Gold (Au)
D
Lead (Pb)
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Understand that the atomic number of an element corresponds to the number of protons in its nucleus.
Recall that each element on the periodic table has a unique atomic number, which identifies it.
Look up the element with atomic number 82 on the periodic table.
Identify the element with atomic number 82 as Lead, which has the chemical symbol Pb.
Confirm that the other options (Tin, Mercury, Gold) have different atomic numbers: Tin (50), Mercury (80), Gold (79).
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