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प्रश्न
State the atomicity of the following:
Oxygen
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उत्तर
Diatomic
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संबंधित प्रश्न
Give the name of the element present in the following compound:
Quick lime
Give the name of the element present in the following compound:
Baking powder
Calculate the number of molecules of sulphur (S8) present in 16 g of solid sulphur.
Define: Mass number :
Define: Atomic weight :
What is meant by atomicity ? Explain with two examples.
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.
Molecular compounds are usually formed by the combination between :
Calculate the mass of 3.011 × 1024 atoms of carbon.
Correct the following statement:
A molecule of sulphur is monoatomic.
State the main points of the contradiction of Dalton’s atomic theory by the Modern Atomic Theory.
Give a reason why –
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Give a reason why –
Ozone is considered triatomic, but phosphorus a tetratomic molecule.
State the atomicity of the following:
Chlorine
State the atomicity of the following:
Argon
Which of the following is a short and scientific way of representing one molecule of an element or compound?
Classify the following molecules as the molecules of element or compound
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Which of the following is a triatomic molecule?
If a molecule is made of similar kinds of atoms, then it is called ______ atomic molecule.
Give any two examples for heterodiatomic molecules.
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