The difference in atomic numbers of the inert gas and alkali metal in the 5th period of the moden long form of periodic table is

Question

The difference in atomic numbers of the inert gas and alkali metal in the 5th period of the moden long form of periodic table is

The difference in atomic numbers of the inert gas and alkali metal in the 5th period of the moden long form of periodic table is
A. 17
B. 20
C. 12
D. 16

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A
In V period
Atomic no. of Alkali metral `= 37 (Rb)` and Atomic no. of xenon `= 54`
`:. "Diff"^(n) = 54 - 37 = 17`

5 views Answered 2023-02-05 15:29