Isotopes, sometimes used in medical diagnoses, are different forms of the same element, having
A) the same atomic number but a different number of electrons
B) the same atomic mass but a different number of protons
C) the same atomic number but a different number of neutrons
D) the same number of alpha particles
Correct Answer:
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Q16: Give the formula of the covalent compound,
Q17: Identify the polyatomic ion.
A)(PO4)3- used in some
Q18: If the atomic nucleus were the size
Q19: In the following equation, what are the
Q20: Ionic bonding, such as in table salt,
Q22: Looking at the Periodic Table, one can
Q23: Marie and Pierre Curie discovered
A)the carbon cycle
B)two
Q24: Nitrogen can form multiple oxides such as
Q25: Oxidation numbers are
A)the charges on ions
B)the masses
Q26: The basic parts of the atom are
A)protons,
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