Answers

2015-12-03T10:52:14+05:30
The electronic configuration is
1s2,2s2,2p6,3s2,3p6,4s1
It has only one electron in its outer shell.
The valencey is usally +1.
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2015-12-03T12:55:40+05:30
The valency is 1, for its original state
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