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प्रश्न
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
विकल्प
X2N
XN2
XN
X2N3
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उत्तर
XN
Formula of nitride of the element X will be XN.
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संबंधित प्रश्न
Write the names and symbols of the first twenty elements that you have studied in class VI & VII.
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:
Neon
Write the radical of the following valency:
Hydroxide
Give the formula of the following acid:
Sulphuric
Give the formula of the following gas:
Nitric oxide
Give the formula of the following gas:
Nitrogen
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).
Bisulphite
What does the symbol '(g)' present in a chemical equation, mean?
