Chemistry Topic Quizzes
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, What is the Pauli Exclusion Principle? B
A. No 2 electrons in an atom may have the same
principal quantum number. B. An atom cannot have 2
electrons in the same energy level or orbital that have
the same set of quantum numbers
C. No more than 2 electrons may have the same set of
quantum numbers
D. Electrons in an atom may differ by, at most, one of
four quantum numbers
Which elements belong to Group VIIA? A
A. F, Br
B. Na Ca
C. F, Na
D. Na, F
Which group is referred to as "alkali metals"? A
A. Group I-A
B. Group II-A
C. Group IV-A
D. Group III-A
Which is the lightest of all metals? B
A. Platinum
B. Lithium
C. Nickel
D. Gold
The following elements form basic hydrides, B
EXCEPT________.
A. Calcium B. Sulfur C. Strontium D. Magnesium
Which of the following elements is the MOST D
electronegative?
A. I B. Br C. CI D. F