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प्रश्न
Define:- Molecule
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उत्तर
Molecule : Molecule is the smallest unit of a compound (or an element) which always has an independent existance.
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संबंधित प्रश्न
Write the names of the elements present in the following compound.
Common salt
Write the names of `("NH"_4)_2"SO"_4` compounds:
Fill in the blank:
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Define: Ions
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1. first shell
2. second shell
3. third shell and
4. fourth shell
Name the particle or particles you would expect to find in :
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A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
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What is the charge on the particle ?
Fill in the blank
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- Subatomic particles
- Nucleus
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An element is composed of ______ atoms.
1 mole of Gold and Silver contain same number of atoms.
The ______ are combination of atoms of various elements or the same element.
