10. Periodic Properties of the Elements
The Electron Configuration
Multiple Choice
Multiple ChoiceWhich of the following statements is/are true?
A
The periodic table is divisible into four blocks corresponding to the fillings of the four quantum sublevels (s, p, d, and f).
B
The group number of a main-group element is equal to the number of valence electrons for that element.
C
The row number of a main-group element is equal to the highest principal quantum number of that element.
D
All of the above are true.
E
None of the above is true.
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