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Alpha Decay

Thorium with ...

Question

Thorium with atomic number 92 and mass number 238 disintegrates to give Pb with atomic number 82 and mass number 206. How many alpha and beta particles are emitted during this process?

A

7 and 8

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B

6 and 7

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C

7 and 6

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D

9 and 6

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Solution

The correct option is C
7 and 6

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Similar questions

Thorium with atomic number 92 and mass number 238 disintegrates to give Pb with atomic number 82 and mass number 206. How many alpha and beta particles are emitted during this process?

Q. ( a ) Calculate number of

α

β -

particles emitted when

_{92} U^{238}

changes into radioactive

_{82} P b^{206} .

T h^{234}

disintegrates and emits

6 β -

7 α -

particles to form a stable element. Find the atomic number and
mass number of the stable product. Also identify the element:

U with atomic number 92 and mass number 238 is radioactive and it emits alpha and beta particles to form Pb with atomic number 82 and mass number 206. Calculate the number of alpha and beta particles emitted in this conversation.

An ore of U with atomic number 92 and mass number 238 is found to contain U and Pb in the weight ratio of 1:0.1. The half-life period of U is $4.5 \times 10^{9}$ years. Calculate the age of the ore.

Q. An atom has atomic mass

232

and atomic number

90

. During the course of disintegration, it emits

2 β

-particles and few

α

-particles. The resultant atom has atomic mass

212

and atomic number

82

α

-particles are emitted during this process?

α

β

particles are emitted when

_{92} U^{238}

disintegrates to form lead

_{82} {P b}^{206}

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