define for me please
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Define me is nothing but about you
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electronic configuration of magnesium is
1s^2 2s^2 2p^6 3s^2.
it has 2electrons in its outermost shell
electronic configuration of calcium is
1s^2 2s^2 2p^6 3s^2 3p^6 4s^2
it also has 2 electrons in its outermost shell
hence they are in same group
they also similar chemical properties and valency{+2}
1s^2 2s^2 2p^6 3s^2.
it has 2electrons in its outermost shell
electronic configuration of calcium is
1s^2 2s^2 2p^6 3s^2 3p^6 4s^2
it also has 2 electrons in its outermost shell
hence they are in same group
they also similar chemical properties and valency{+2}
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