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The element P (mass no.=39) and Q (mass no. =80) contain 20 and 45 neutrons respectively in their nucleus. Give their electron configuration separately

3 answers

Element P electron configuration is
2-8-8-1

Element Q electron configuration is
2-8-18-7
Electron configuration of element P is
1s2, 2s2, 2p6, 3s2,3p6,4s1

Electron configuration of element Q is
1s2,2s2,2p6,3s2,3p6,4s2,3d10,4p5
An atom has the electron configuration of [Ar] 4s2 3d10*4p5 if its mass no is 80,what will its no of protons and neutronsbe?
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