Question

एक tatav jiski परमाणु संख्या 13 है वह samooh बताएं जिसके पास एक्स है​

Answer 1

Explanation:

13 Al=1s2,2s2,2p6,3s2,3p1

the p block have px, py and pz

it means there are only px is filled in Al and when electron are going in this orbital by exiting it does not attain py because, s orbital is full filled..

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