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प्रश्न
Which of the following statements made by Dalton has not undergone any change?
पर्याय
Atoms cannot be broken.
Atoms combine in small, whole numbers to form compounds.
Elements are made up of atoms.
All atoms of an elements are alike
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उत्तर
All atoms of an elements are alike.
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संबंधित प्रश्न
Define:- Atom
Name three non-metals/radicals which have valency -1, -2, and -3.
What value has been given to the mass of this reference atom ?
State two observations which show that atom is not indivisible.
A radical take part – unsplit in a chemical reaction and retains its identity in reactions.
With reference to the radical –
- ammonium
- bisulphate
- carbonate
state the group of atoms present in each radical.
State true or false. If false, correct the statement.
An atom is electrically neutral.
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 ______
Atomic models have been improved over the years. Arrange the following atomic models in the order of their chronological order
- Rutherford’s atomic model
- Thomson’s atomic model
- Bohr’s atomic model
The ______ are combination of atoms of various elements or the same element.
