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प्रश्न
What does the word ‘atom’ mean?
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उत्तर
“atom” means‘indivisible”
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संबंधित प्रश्न
Define:- Molecule
Write the names of the elements present in the:-
Acetic acid
Write the names of `"FeS"` compounds :
Fill in the blank:
Atoms are _____
Define: Ions
Name the particles which revolve around the nucleus.
What are orbits or shells ?
Name the particle or particles you would expect to find in :
The nucleus of an atom
Fill in the blank
A charged particle is called an _____
Fill in the blank
An excess of electrons produces a ________ charge.
Dalton's atomic theory says that atoms are indivisible. Is this statement still valid ? Give reasons for your answer.
Compare:
Chlorine atom and chloride ion, with respect to
Atomic structure
Electrical state
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form negative ion?
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of aluminium
Which of the following statements made by Dalton has not undergone any change?
The volume occupied by 4.4 g of CO2 at S.T.P ______
Atoms of one element can be transmuted into atoms of other elements by ______
The number of atoms present in a molecule is called its ______.
Does the solubility of a substance change with temperature? Explain with the help of an example.
Write any two observations which support the fact that atoms are divisible.
