Regarding the representative elements: (a) What does knowing the group number tell you about an elements valence

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Regarding the representative elements:

(a) What does knowing the group number tell you about an element’s valence electrons?

(b) What does knowing the period number tell you about an element’s valence electrons?

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Related Book For  answer-question

Introductory Chemistry Atoms First

ISBN: 9780321927118

5th Edition

Authors: Steve Russo And Michael Silver

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