#### Answer

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#### Work Step by Step

Elements in groups 4A-7A have 4-7 electrons in their valence shell, requiring (8-4)-(8-7) electrons to obey the octect so:
4, 3, 2 and 1 bond respectively.

Published by
Cengage Learning

ISBN 10:
1133949649

ISBN 13:
978-1-13394-964-0

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