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प्रश्न
State the atomicity of the following:
Sulphur
उत्तर
Polyatomic
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संबंधित प्रश्न
Write down the name of a compound represented by the following formula:
Al2(SO4)3
Write down the name of a compound represented by the following formula:
K2SO4
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
State the term.
The number of atoms present in a molecule of an element _________
Define: Atomic number
Define: Atomic number
Define: Mass number :
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What is the atomicity of the following ?
- Oxygen
- Ozone
- Neon
- Sulphur
- Phosphorus
- Sodium
In what form do noble gases occur in nature?
What do the following denote ?
- N
- 2N
- N2
- 2N2
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The cation of an element has :
Molecular compounds are usually formed by the combination between :
An element A forms an oxide A2O5.
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H2X, CX2, XO2, XO3
State the three valencies of element X which are illustrated by these compounds.
Calculate the mass of 3.011 × 1024 atoms of carbon.
Why are the symbols and formulae of substances important?
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.
If a molecule is made of similar kinds of atoms, then it is called ______ atomic molecule.
Define: Atomicity.
Derive the relationship between Relative molecular mass and Vapour density.
Which of the following contains maximum number of molecules?
Write any two classifications of a molecule.
