Answer
a) 7 electrons, group 5a
b) 3 electrons, group 1a
c) 15 electrons, group 5a
d) 56 electrons group 2a
Work Step by Step
a) 7 electrons, group 5a
b) 3 electrons, group 1a
c) 15 electrons, group 5a
d) 56 electrons group 2a
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