write the electronic configuration of an element whose atomic number is 19
Asked by shenbagam valli | 9th Apr, 2011, 01:54: AM
Expert Answer:
To write the electronic configuration of an element having Z=19
1s2, 2s2 2p6, 3s2 3p6, 4s1 or we can write [Ar]4s1
Answered by | 9th Apr, 2011, 11:40: AM
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