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प्रश्न
______ is the smallest particle of an element.
उत्तर
Atom is the smallest particle of an element.
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संबंधित प्रश्न
Why is it not possible to see an atom with naked eyes?
MATCH THE COLUMNAS
| 1. Jpham Dalton | a. Neutrons |
| 2. Atom | b. Model of the atom |
| 3. Chadwick | c.The atomic theory of matter |
| 4. Rutherfrod | d. Positively charged |
| 5. Protons | e. Electricity neutral |
| 6. Nuclear fusion | f. Generator of electricity |
| 7.Gamma -rays | g. High penetrating power |
| h.Energy in sun |
TRUE \ FALSE
Elements having a tendency to accept electrons are called metals
Define:- Radicals
Write the names of the elements present in the:-
Sodium hydroxide
Fill in the blank:
Atoms are _____
Define: Relative atomic mass
Name the particles which revolve around the nucleus.
What are orbits or shells ?
Who originated the word ‘atom’ ?
An atom has 13 protons and 14 neutrons.
How many electrons would be present in this atom ?
Fill in the blank
An excess of electrons produces a ________ charge.
How many atoms are there in exactly 12 g of carbon-12 element ? (C = 12 u)
Give brief information of three subatomic particles with reference to electrical charge, mass and location.
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of aluminium
The smallest particle of matter that can exist by itself is ______.
The smaller particles found in the atom is called ______.
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
Atoms have a radius of the order ______.
