Subshell electronic configuration of some elements are given. (Symbols are not real) A- 1s2 2s2 2p6 3s2 3p5 B- 1s2 2s2 2p6 3s2 3p4 C-1s2 2s2 2p6 3s2 3p6 3d2 D- 1s2 2s2 2p6 3s2 3p6 4s2
a) Which element among these shows -2 oxidation state?
b) Which element has the highest metallic character?
c) Which element has the highest ionisation energy?
d) Write the chemical formula of the compound formed by the elements A and D.
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a. elements has the the highest metallic
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