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प्रश्न
State the atomicity of the following:
Neon
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उत्तर
Momoatomic
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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:
Potassium sulphate
State the term.
The number of atoms present in a molecule of an element _________
Define: Atomic number
Define: Atomic number
What is meant by atomicity ? Explain with two examples.
What is the atomicity of the following ?
- Oxygen
- Ozone
- Neon
- Sulphur
- Phosphorus
- Sodium
What do the following denote ?
- N
- 2N
- N2
- 2N2
Work out the formula for magnesium hydrogencarbonate.
What are (i) ionic compounds, and (ii) molecular compounds ? Give two examples of each type of compounds.
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.
Give one example of a triatomic molecule
Give one example of a polyatomic molecule.
Give a reason why –
Ozone is considered triatomic, but phosphorus a tetratomic molecule.
State the atomicity of the following:
Oxygen
State the atomicity of the following:
Chlorine
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. |  |
If a molecule is made of similar kinds of atoms, then it is called ______ atomic molecule.
Give any two examples for heterodiatomic molecules.
