The valency of magnesium is 2. Here's why:

1. Look at the periodic table: Magnesium is in the second group of the periodic table. Elements in this group have two electrons in their outermost shell.

2. Understand valency: The valency of an element is determined by the number of electrons in its outermost shell that it can donate (for metals) or accept (for non-metals) to achieve a stable electron configuration.

3. Apply to magnesium: As a metal, magnesium donates its two outermost electrons to achieve a stable electron configuration. Therefore, its valency is 2.

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The valency of magnesium is 2. Here's why:

1. Look at the periodic table: Magnesium is in the second group of the periodic table. Elements in this group have two electrons in their outermost shell.

2. Understand valency: The valency of an element is determined by the number of electrons in its outermost shell that it can donate (for metals) or accept (for non-metals) to achieve a stable electron configuration.

3. Apply to magnesium: As a metal, magnesium donates its two outermost electrons to achieve a stable electron configuration. Therefore, its valency is 2.

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The valency of magnesium is 2. Here's why:

1. Look at the periodic table: Magnesium is in the second group of the periodic table. Elements in this group have two electrons in their outermost shell.

2. Understand valency: The valency of an element is determined by the number of electrons in its outermost shell that it can donate (for metals) or accept (for non-metals) to achieve a stable electron configuration.

3. Apply to magnesium: As a metal, magnesium donates its two outermost electrons to achieve a stable electron configuration. Therefore, its valency is 2.

valency of magnesium

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