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प्रश्न
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Oxide
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उत्तर
The valency of metal M is 3. So, the formulae are as follows:
Oxide - M2O3
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संबंधित प्रश्न
The anion of an element has ______.
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’
State the type of element for the following:
potassium
State the type of element for the following:
Arsenic
Write the radical of the following valency:
Nitrate
Give the formula of the following acid:
Sulphuric
State the valency of the following metallic element and write symbol with the valency
Sodium
State the valency of the following metallic element and write symbol with the valency
Calcium
Name three metals whose symbols are derived from the first letter of the name of the element.
Which letter is never used in any element symbol?
