Assertion A - Nucleus of the atom does not contain electrons- yet it emits -particles in the form of electrons-Reason R - In the nucleus- protons and neutrons exchange mesons frequently-

The correct option is B If (A) is correct, but (R) is incorrect.Nucleus of the atom #10;does not contain electrons, yet it emits β #160; ^ particle ...

You visited us 34 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard VII

Chemistry

Sub-Atomic Particles

Assertion A :...

Question

Assertion (A) : Nucleus of the atom does not contain electrons, yet it emits $β -$ particles in the form of electrons.
Reason (R) : In the nucleus, protons and neutrons exchange mesons frequently.

If both (A) and (R) are correct, and (R) is the correct explanation of (A).

No worries! We‘ve got your back. Try BYJU‘S free classes today!

If both (A) and (R) are correct, but (R) is not the correct explanation of (A).

No worries! We‘ve got your back. Try BYJU‘S free classes today!

If (A) is correct, but (R) is incorrect.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

If (A) is incorrect, but (R) is correct.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

If both (A) and (R) are incorrect.

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B If (A) is correct, but (R) is incorrect.
Nucleus of the atom does not contain electrons, yet it emits $β^{-}$ particles in the form of electrons.

The nucleus contains only protons and nuetrons but In the nucleus, protons and neutrons do not exchange mesons frequently.

Suggest Corrections

Similar questions

Q. Assertion:

L a

should be a f-block element according to Aufbau principle
Reason: The 57th electron enters into the 5d –orbital

Q. Assertion:

C e^{4 +}

is used as an oxidizing agent in volumetric analysis.
Reason:

C e^{4 +}

has a tendency to attain its

+ 3

oxidation state.

Q. Assertion (A) The imbalance in the concentration of

N a^{+}, K^{+}

and proteins generates resting potential.
Reason (R) To maintain the unequal distribution of

N a^{+}

and

K^{+}

, the neurons use electrical energy.

In this question, an Assertion (A) is followed by a corresponding Reason (R). Choose the appropriate option.

Assertion (A): In $C s C l$ crystal, the coordination number of $C s^{\oplus}$ ion is 8.

Reason (R): $C l^{⊖}$ ions in $C s C l$ adopt bcc type of packing.

Q. For the following question, an assertion (A) is followed by a corresponding Reason (R). Use the following keys to choose the appropriate answer.
Assertion (A):

N (S i H_{3})_{3}

is a weaker base than

N (C H_{3})_{3}

.
Reason (R): Due to pπ-pπ back bonding in

N (S i H_{3})_{3}

, the availability of electrons on the

N

atom in

N (S i H_{3})_{3}

decreases.

Join BYJU'S Learning Program

Assertion (A) : Nucleus of the atom does not contain electrons, yet it emits β−particles in the form of electrons.Reason (R) : In the nucleus, protons and neutrons exchange mesons frequently.

The correct option is B If (A) is correct, but (R) is incorrect.Nucleus of the atom does not contain electrons, yet it emits β− particles in the form of electrons. The nucleus contains only protons and nuetrons but In the nucleus, protons and neutrons do not exchange mesons frequently.

Assertion (A) : Nucleus of the atom does not contain electrons, yet it emits $β -$ particles in the form of electrons.
Reason (R) : In the nucleus, protons and neutrons exchange mesons frequently.

The correct option is B If (A) is correct, but (R) is incorrect.
Nucleus of the atom does not contain electrons, yet it emits $β^{-}$ particles in the form of electrons.

The nucleus contains only protons and nuetrons but In the nucleus, protons and neutrons do not exchange mesons frequently.