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प्रश्न
State the number of atoms of each element, present in \[\ce{HNO3}\].
Also name the compound.
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उत्तर
The compound \[\ce{HNO3}\] contains 1 atom of hydrogen, 1 atom of nitrogen, and 3 atoms of oxygen; it is named nitric acid.
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संबंधित प्रश्न
Give one example for the following types of mixtures:
liquid-gas homogenous mixture
Indicate whether the following statement is true or false:
All elements are artificially prepared
Tick (√) the correct alternative from the choice given for the following statement.
Atoms of different kinds combine to form molecules of
Tick (√) the correct alternative from the choice given for the following statement.
Sulphur and carbon are
Select the correct answer from A, B, C, D & E for the statement given below :
A mixture consisting of elements & a compound.
Select the correct answer from the choice given below to complete the sentence :
Compounds are ____________ in nature.
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
There are ______ number of known elements.
Higher Order Thinking Skills.
In the diagram given below, the circle, square and triangle represent the atoms of different elements.
Identify all combinations that represent
- molecule of a compound
- molecule of an element consisting of two atoms
- molecule of an element consisting of three atoms
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which is required for combustion.
