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प्रश्न
Why is it not possible to see an atom with naked eyes?
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उत्तर
The size of an atom is so small that it is not possible to see it with the naked eye. Also, an element's atom does not exist independently (its atomic radius is of the order of 10-10 m).
संबंधित प्रश्न
Define:- Molecule
Write the names of the elements present in the:-
Ammonia
Write the names of `"FeS"` compounds :
Who originated the word ‘atom’ ?
How did Neils Bohr visualise the atom ?
Name the particle or particles you would expect to find in :
The orbit of an atom
Define: An 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.
What is the charge on the particle ?
Name the three subatomic particles present in an atom.
Is it possible to see atoms these days ? Explain your answer.
What is an atom ? How do atoms usually exist ?
Draw the diagrams representing the atomic structures of the following: Neon
Define the following term with an example.
Element
The smaller particles found in the atom is called ______.
State true or false. If false, correct the statement.
The basic unit of an element is molecule.
1 mole of Gold and Silver contain same number of atoms.
A sample of vitamic C is known to contain 2.58 ×1024 oxygen atoms. How many moles of oxygen atoms are present in the sample?
The most abundant type of atom is the universe is ______.
The first scientific theory about atoms was given by J J. Thomson.
