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Number of ‘d’ electrons in thorium are
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a
32
b
2
c
31
d
1
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Correct option is A
Th 90 1s22s22p63s23p64s23d104p65s2 4d105p66s24f145d106p67s25f06d2 OR Rn 5f06d27s2In Thorium, electrons are not present in 5f orbital hence total number of f-electrons are 14 only;It has two ‘6d’ electrons and 32 ‘d’ electrons;Talk to our academic expert!
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