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प्रश्न
Name the gas that.
Turns moist starch iodide paper blue black.
उत्तर
Chlorine.
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संबंधित प्रश्न
What is the maximum number of electrons present in:
1. first shell
2. second shell
3. third shell and
4. fourth shell
Fill in the blank
A charged particle is called an _____
What value has been given to the mass of this reference atom ?
State two observations which show that atom is not indivisible.
State true or false. If false, correct the statement.
The basic unit of an element is molecule.
An element is composed of ______ atoms.
The volume occupied by 1 mole of a diatomic gas at S.T.P is ______
Dalton’s atomic theory successfully explained
(i) Law of conservation of mass
(ii) Law of constant composition
(iii) Law of radioactivity
(iv) Law of multiple proportions
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
What are the 3 most abundant atoms on the earth?
