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Question

If there were 8 periods in the periodic table and each orbital could have a maximum of 5 electrons, then what is the maximum number of elements that would be present in period 8?

A
50
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B
125
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C
135
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D
150
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Solution

The correct option is B 125
The possible subshells present in 8th period:
8s 8p 7d 6f 5g

As per the question, s,p, d, f, g orbitals can have 5, 15, 25, 35, 45 electrons respectively. The total number of elements will be 125.

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