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प्रश्न
Who originated the word ‘atom’ ?
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उत्तर
Democritus
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संबंधित प्रश्न
WRITE SHORT ANSWER
Name three inert gases.
ANSWER IN DETAIL
State the postulates of the Dalton’s atomic theory.
ANSWER IN DETAIL
Enlist the features of Bohr’s model of an atom. How did he correct the Rutherford’s model ?
Define:- Atom
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Glucose
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1. first shell
2. second shell
3. third shell and
4. fourth shell
How did Neils Bohr visualise the atom ?
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What is the charge on the particle ?
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- Carbon atom
- Oxygen ion
Draw the electron dot structure of this compound.
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Which will form positive ion?
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
What will be the charge present of the molecule XY after chemical combination?
Select the correct answer to the statement given below:
The basic unit of matter is not capable of independent existence.
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The number of atoms present in a molecule is called its ______.
