Which sample contains the fewest number of atoms?
A) 216 g Cr
B) 435 g Ni
C) 512 g Mn
D) 619 g Pt
E) 642 g Rb
Correct Answer:
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Q51: Write the atomic symbol for an atom
Q52: 14O, 16O, 18O are called _.
Q53: Which element is highly reactive?
A) Cu
B) Kr
C)
Q54: Which element can be classified as a
Q55: Which sample contains the same number of
Q57: Which sample contains the fewest atoms?
A) 10
Q58: Which element can be classified as a
Q59: Radioactive atoms emit alpha and _ particles.
Q60: Which sample contains the fewest atoms?
A) 50
Q61: Match the following:
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