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प्रश्न
State the term.
The number of atoms present in a molecule of an element _________
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उत्तर
The number of atoms present in a molecule of an element atomicity.
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संबंधित प्रश्न
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:
Quick lime
Give the name of the element present in the following compound:
Potassium sulphate
Define: Atomic number
Define: Atomic number
Define: Mass number :
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.
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.
Calculate the mass of 3.011 × 1024 atoms of carbon.
Correct the following statement:
A molecule of sulphur is monoatomic.
Explain the term – molecules. Give three examples of atoms of the same element forming a molecule. State the atomicity of the same.
Give one example of a polyatomic molecule.
Give a reason why –
Helium is considered monoatomic, but hydrogen a diatomic 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:
Argon
Which of the following is a short and scientific way of representing one molecule of an element or compound?
If a molecule is made of similar kinds of atoms, then it is called ______ atomic molecule.
Two elements sometimes can form more than one compound.
Give any two examples for heterodiatomic molecules.
Which of the following contains maximum number of molecules?
Write any two classifications of a molecule.
