In 4-f series penultimate shell contain how many electrons ?
In 4-f series penultimate shell contain how many electrons ?
A. `d ^(0"to"1)`
B. `d ^(1"to"10)`
C. `d ^(0)`
D. `d ^(10"to"0)`
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Correct Answer - A
We know that, in 4f series penultimate subshell is d. Which contains 0 to 1 electrons
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