Advertisements
Advertisements
प्रश्न
State the term.
The number of atoms present in a molecule of an element _________
Advertisements
उत्तर
The number of atoms present in a molecule of an element atomicity.
APPEARS IN
संबंधित प्रश्न
Write down the name of a compound represented by the following formula:
KNO3
Give the name of the element present in the following compound:
Hydrogen bromide
Give the name of the element present in the following compound:
Baking powder
What is meant by atomicity ? Explain with two examples.
Write the formulae of the following compounds. Also name the elements present in them.
- Water
- Ammonia
- Methane
- Sulphur dioxide
- Ethanol
In what form do noble gases occur in nature?
What do the following denote ?
- N
- 2N
- N2
- 2N2
What is the difference between the molecule of an element and the molecule of a compound? Give one example of each.
The cation of an element has :
Molecular compounds are usually formed by the combination between :
An element X forms the following compounds with hydrogen, carbon and oxygen :
H2X, CX2, XO2, XO3
State the three valencies of element X which are illustrated by these compounds.
Correct the following statement:
A molecule of sulphur is monoatomic.
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:
Chlorine
State the atomicity of the following:
Argon
State the atomicity of the following:
Sulphur
State true of false. If false, give the correct statement.
NaCl represents one molecule of sodium chloride.
Classify the following molecules as the molecules of element or compound
| 1. |  |
|
| 2. |  |
|
| 3. |  |
|
| 4. |  |
Define: Atomicity.
Derive the relationship between Relative molecular mass and Vapour density.
Write any two classifications of a molecule.
