an atom a belongs to 3rd a and b belongs to 7tha group the formula formed is
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Answered by
1
Answer:
AlCl3
Explanation:
the 3rd group has 3 electron in outermost shell while 7th group has 7 electron in outermost shell....so AlCl3..
Answered by
0
Explanation:
The 3rd group has 3electron in outermost shell while 7th group has electron in outermostshell so A1C13
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