The oxidation numbers of alkali and alkaline earth metals and the highest oxidation numbers that the elements in groups 3A–7A can have are to be given. Concept introduction: The oxidation number is the charge on an atom on complete transfer of electrons. It is the number assigned to an atom that indicates the loss or gain of electrons. The oxidation states are determined by assuming the transfer of electrons to the more electronegative atom in each bond. So, the oxidation state of an atom is negative if it is more electronegative and positive if it is less electronegative. The maximum oxidation state of an atom equals its group number. It is the number of electrons that can be lost from the valence shell.

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Chapter 4, Problem 37QP

Interpretation Introduction

Interpretation:

The oxidation numbers of alkali and alkaline earth metals and the highest oxidation numbers that the elements in groups 3A–7A can have are to be given.

Concept introduction:

The oxidation number is the charge on an atom on complete transfer of electrons. It is the number assigned to an atom that indicates the loss or gain of electrons.

The oxidation states are determined by assuming the transfer of electrons to the more electronegative atom in each bond. So, the oxidation state of an atom is negative if it is more electronegative and positive if it is less electronegative.

The maximum oxidation state of an atom equals its group number. It is the number of electrons that can be lost from the valence shell.

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