Explanation When main group elements are involved, charge = group number For elements of p block, charge = group number – 8 s and p block elements are known as representative elements. X 2 O 3 Oxygen atom has charge = − 2 Number of oxygen atoms = 3 Total charge on oxygen atom = − 6 Thus, 2 X will have total charge = + 6 1 X will have charge = + 3 Thus, the group number is 3 A or 13. Representative element: Aluminum and formula of compound is Al 2 O 3

CHEMISTRY: AN INTRODUCTION TO GENERAL, O

13th Edition

ISBN: 9780137444298

Author: Timberlake

Publisher: PEARSON

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Chapter 6, Problem 6.150CP

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Group number of X and representative element

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Chapter 6, Problem 6.149CP

Chapter 6, Problem 6.151CP

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Chapter 6 Solutions

CHEMISTRY: AN INTRODUCTION TO GENERAL, O

Ch. 6.1 - State the number of electrons that be must be lost...Ch. 6.1 - State the number of electrons that must be gained...Ch. 6.1 - State the number of electrons lost or gained when...Ch. 6.1 - Prob. 6.4PP Ch. 6.1 - Write the symbols for the ions with the following...Ch. 6.1 - Write the symbols for the ions with the following...Ch. 6.1 - Prob. 6.7PP Ch. 6.1 - State the number of protons and electrons in each...Ch. 6.1 - Write the symbol for the ion of each of the...Ch. 6.1 - Write the symbol for the ion of each of the...

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Group number of X and representative element

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To determine:

Group number of X and representative element