9. An element Q with electronic configuration 2.8, 2 reacts with elements R. with electronic configuration 2, 8, 7 to form an ionic compound. The likely formula of this compound is:

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asked Mar 28, 2022 85.7k views

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9. An element Q with electronic configuration 2.8, 2 reacts with elements R. with electronic configuration 2, 8, 7 to form an ionic compound. The likely formula of this compound is:

Chemistry
high-school

Jaredor asked

by Jaredor

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Answer:

QCl2

Step-by-step explanation:

Q should belong to group 2 so valency is 2

R should belong to group 17 so valency is 1

Christopher Ransom answered Apr 2, 2022

by Christopher Ransom

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