Elements in Group 6A are known as the ________.
A) alkali metals
B) chalcogens
C) alkaline earth metals
D) halogens
E) noble gases
Correct Answer:
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Q101: Vertical columns of the periodic table are
Q102: Elements in Group 7A are known as
Q103: Elements in Group 2A are known as
Q104: Elements in Group 1A are known as
Q105: Oxygen is a _ and nitrogen is
Q107: Methane and ethane are both made up
Q108: The atomic number indicates _.
A)the number of
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
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