Answers

2016-02-27T20:56:08+05:30
Carbon it has 2 in the first shell and 4 in the second
electron configuration-2,4
2 5 2
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The Brainliest Answer!
2016-02-28T19:36:43+05:30
1,2 helium 2,4 carbon 3,6 fluorine 4,8 magnesium 5,10 phosphorus
4 4 4
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ray
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which ray