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प्रश्न
State the valency of the following metallic element and write symbol with the valency
Magnesium
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उत्तर
Metals have positive valency 1, 2 or 3,
| Element | Symbol | Valency |
| Magnesium | \[\ce{Mg}\] | \[\ce{Mg^2+}\] |
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संबंधित प्रश्न
Write the names and symbols of the first twenty elements that you have studied in class VI & VII.
Name the element used as a standard for atomic mass scale.
What do the following symbol stand for?
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Write the formula of it
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Hydrogen by ‘H’
An atom of an element is denoted by a “symbol” Explain the meaning of the term ‘symbol’. State a reason for representing the following element by its symbol.
Copper by ‘Cu’
Give the symbol of the following element:
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Give the formula of the following gas:
Ammonia
Give a reason – Magnesium [2, 8, 2] has valency 2+.
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Zincate
