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प्रश्न
Select the correct answer to the statement given below:
The basic unit of matter is not capable of independent existence.
पर्याय
Molecule
Orbits
Atom
Valency
Radical
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उत्तर
Atom
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संबंधित प्रश्न
Write the names of the elements present in the following compound.
Common salt
Write the names of the elements present in the:-
Ammonia
Fill in the blank:
Atoms are _____
Define: Ions
Define: Chemical bond
What are orbits or shells ?
What is the maximum number of electrons present in:
1. first shell
2. second shell
3. third shell and
4. fourth shell
How did Neils Bohr visualise the atom ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is such a particle called ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
Does the particle have an excess of electrons or a deficiency of electrons ?
Fill in the blank
A charged particle is called an _____
Name the three subatomic particles present in an atom.
Name the gas that.
Turns moist starch iodide paper blue black.
A compound containing one atom of carbon and two atoms of oxygen is ______.
Rewrite the given sentence in correct form.
Elements contain two or more kind of atoms and compounds contain only one kind of atom.
The smaller particles found in the atom is called ______.
An atom of an element has no electron. Will that atom have any mass or not? Can an atom exist without electron? If so then give example.
The volume occupied by 4.4 g of CO2 at S.T.P ______
The volume occupied by 1 mole of a diatomic gas at S.T.P is ______
Atoms of different elements having the same number of ______ are called isotones.
