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No:27
The electronic configuration of the element which is just above the element with atomic number 43 in the same
periodic group is
a) 1sº.2s 2p6.3s 3p63d².4s?
b) 1sº.2s-2pʻ3s 3pº3d10,4s2.4p>
c) 1s2,2s22p 3s
d® 4s?
2.69 110 1 - 1
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Answer 1

Answer:

sorry don't know u can not understand this question