The atomic number indicates ________.
A) the number of neutrons in a nucleus
B) the total number of neutrons and protons in a nucleus
C) the number of protons or electrons in a neutral atom
D) the number of atoms in 1 g of an element
E) the number of different isotopes of an element
Correct Answer:
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Q103: Elements in Group 2A are known as
Q104: Elements in Group 1A are known as
Q105: Oxygen is a _ and nitrogen is
Q106: Elements in Group 6A are known as
Q107: Methane and ethane are both made up
Q109: What is the molecular formula for 1-propanol?
A)CH4O
B)C2H6O
C)C3H8O
D)C4H10O
E)C5H12O
Q110: In the periodic table,the elements touching the
Q111: The correct name for Ni(CN)2 is _.
A)nickel
Q112: Which group in the periodic table contains
Q113: Which metal forms cations of differing charges?
A)K
B)Cs
C)Ba
D)Al
E)Sn
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