The element with atomic number 53 is
A) Iron
B) Iridium
C) Iodine
D) Indium
Correct Answer:
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Q48: What is the atomic number of sodium?
A)11
B)16
C)23
D)32
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A)12
B)24
C)25
D)55
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A)C-12
B)P-31
C)Br-80
D)Sr-90
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Q52: The concept that most of the atom's
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