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Standard IX

Chemistry

Neutron

In 1932, disc...

Question

In 1932, ___________ discovered an electrically neutral particle in the atom named as neutron.

Rutherford

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James chadwick

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J.J. Thomson

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none of the above

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Solution

The correct option is B James chadwick
Rutherford discovered the proton and J.J Thomson discovered the electron. In 1932, James Chadwick discovered neutron. So the correct option is B.

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Similar questions

Q. Assertion :Atom is electrically neutral Reason: A neutral particle, neutron is present in the nucleus of the atom

Q. The neutron is a neutral (non-electrical) particle in the centre of the atom. It was discovered when a tiny piece of the metal, beryllium, was bombarded with alpha particles. This discovery was made by:

Q. Assertion (A) : An atom is neutral despite the charged particles in it.
Reason (R) : The neutrons do not have any charge.

Multiple Choice Questions

(a) The outermost shell of an atom is known as

(i) valency

(ii) valence electrons

(iii) nucleus

(iv) valence shell

(b) The number of valence electrons present in magnesium is

(i) two

(ii) three

(iii) four

(iv) five

(i) proton

(ii) neutron

(iii) electron

(iv) nucleon

(d) If the atomic number of an atom is 17 and mass number is 35 then number of neutrons will be

(i) 35

(ii) 17

(iii) 18

(iv) 52

(e) The number of electrons in an atom is equal to the number of

(i) protons in a neutral atom

(ii) neutrons in a neutral atom

(iii) nucleons in a neutral atom

(iv) none of the above

(f) The sum of number of protons and number of neutrons present in the nucleus of an atom is called its

(i) mass number

(ii) atomic number

(iii) number of electrons

(iv) all of the above

Q. "The atom as a whole is electrically neutral", is a statement proposed by which atomic model?

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In 1932, ___________ discovered an electrically neutral particle in the atom named as neutron.

The correct option is B James chadwickRutherford discovered the proton and J.J Thomson discovered the electron. In 1932, James Chadwick discovered neutron. So the correct option is B.

The correct option is B James chadwick
Rutherford discovered the proton and J.J Thomson discovered the electron. In 1932, James Chadwick discovered neutron. So the correct option is B.