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प्रश्न
State the atomicity of the following:
Chlorine
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उत्तर
Diatomic
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संबंधित प्रश्न
Write down the name of a compound represented by the following formula:
CaCl2
Write down the name of a compound represented by the following formula:
KNO3
Give the name of the element present in the following compound:
Quick lime
Give the name of the element present in the following compound:
Potassium sulphate
Calculate the number of molecules of sulphur (S8) present in 16 g of solid sulphur.
Define: Atomic number
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
In what form does oxygen gas occur in nature ?
In what form do noble gases occur in nature?
What is the difference between the molecule of an element and the molecule of a compound ? Give one
example of each.
Work out the formula for magnesium hydrogencarbonate.
An element A forms an oxide A2O5.
What is the valency of element A ?
Why are the symbols and formulae of substances important?
Give one example of a triatomic molecule
State the atomicity of the following:
Oxygen
State the atomicity of the following:
Sulphur
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
| 1. |  |
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| 2. |  |
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| 3. |  |
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| 4. |  |
Which of the following is a triatomic molecule?
Define: Atomicity.
Derive the relationship between Relative molecular mass and Vapour density.
Which of the following contains maximum number of molecules?
