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प्रश्न
Give the formula of the following gas:
Nitrogen
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उत्तर
Nitrogen – N2
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संबंधित प्रश्न
What do you understand by :
Noble gases
An element which can exhibit valencies of 2, 4 and 6 can be :
What do the following symbol stand for?
2H
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 what a chemical formula denotes.
State the type of element for the following:
Radon
Write the radical of the following valency:
Chlorine [Chloride]
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Silver
write symbol with the variable valency
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).
Plumbite
Write the symbols for the following elements.
- Oxygen
- Gold
- Calcium
- Cadmium
- Iron
