A) Pb
B) B
C) Mg
D) K
Answer: A
Explanation: Lead is represented by the symbol Pb. Its atomic number is 82, the number of protons in its nucleus.
A) Pb
B) B
C) Mg
D) K
Answer: A
Explanation: Lead is represented by the symbol Pb. Its atomic number is 82, the number of protons in its nucleus.
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