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प्रश्न
In what form do noble gases occur in nature?
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उत्तर
Noble gases occur in nature as a monoatomic gas.
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संबंधित प्रश्न
Write down the name of a compound represented by the following formula:
K2SO4
Define: Mass number :
Define: Atomic weight :
What is the atomicity of the following ?
- Oxygen
- Ozone
- Neon
- Sulphur
- Phosphorus
- Sodium
Write the formulae of the following compounds. Also name the elements present in them.
- Water
- Ammonia
- Methane
- Sulphur dioxide
- Ethanol
What is the difference between the molecule of an element and the molecule of a compound ? Give one
example of each.
Give a reason why –
Ozone is considered triatomic, but phosphorus a tetratomic molecule.
State the atomicity of the following:
Oxygen
State true of false. If false, give the correct statement.
NaCl represents one molecule of sodium chloride.
Which of the following contains maximum number of molecules?
