give name and atomic number of first inert gas atom in which total number of x-axis electron is equal to difference in number of the total p and s electron
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The first inert gas which contains d electrons is krypton. Its atomic number is 36 and its electronic configuration is
Total number of ^-electrons = 10
Total number of /(-electrons = 6 + 6 + 6 = 18
Total number of .f-electrons = 2 + 2 + 2 + 2 = 8
.’. Difference in total number of p and s electrons = 18-8 = 10
Thus, the inert gas is krypton.
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Inert gas atom is krypton. Its atomic number is 36. The electronic configuration of Kr - atom is: 1s2 , 2s2 , 2p6, 3s2, 3p6, 3d10, 4s2, 4p6 Total s - electrons.
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