Charges of ions that is formed from magnesium and fluorine has to be chosen among the given options. Concept Introduction: The neutral atom has equal number of protons and electrons. Gaining or loosing of electrons of an atom forms ion. Atoms form their ions to attain noble gas configuration. Group IA, IIA and IIIA metal atoms contain one, two or three valence electrons. These metal atoms lose their valence electrons to get noble gas configuration. Group VA, VIA VIIA non-metal atoms contain five, six or seven valence electrons. These non-metal atoms acquire electrons to get noble gas configuration. Group IVA group elements have four valence electrons. These elements gain or lose their electrons to get noble gas configuration.

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Chapter 4.5, Problem 3QQ

Interpretation Introduction

Interpretation:

Charges of ions that is formed from magnesium and fluorine has to be chosen among the given options.

Concept Introduction:

The neutral atom has equal number of protons and electrons. Gaining or loosing of electrons of an atom forms ion.

Atoms form their ions to attain noble gas configuration.

Group IA, IIA and IIIA metal atoms contain one, two or three valence electrons. These metal atoms lose their valence electrons to get noble gas configuration.

Group VA, VIA VIIA non-metal atoms contain five, six or seven valence electrons. These non-metal atoms acquire electrons to get noble gas configuration.

Group IVA group elements have four valence electrons. These elements gain or lose their electrons to get noble gas configuration.

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