answer 13 question urgent..........
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A...2,8,7
element B is non metal
Band C will form isotope
A and D will form isobar
element B is non metal
Band C will form isotope
A and D will form isobar
Balvir23:
can you tell me how it is non metal please
because it contain 7 atoms in its last shell so it need to gain one electron and we know that the elements that accept electrons are nonmetal
plz mark as brainlist
hiiii
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