Home
Class 11
CHEMISTRY
The radioactive nuclide .(90)^(234) Th ...

The radioactive nuclide `._(90)^(234) Th` shows two successive `beta-` decay followed by one `alpha-` decay. The atomic number and mass number respectively of the resulting atom is:

A

`90` and `230`

B

`92` and `230`

C

`92` and `234`

D

`94` and `230`

Text Solution

Verified by Experts

The correct Answer is:
`(a)`
`._(90)^(234) Th rarr ._(90)^(230)Th + ._(2)He^(4) + 2 ._(-1)e^(0)`
Promotional Banner

Topper's Solved these Questions

  • RADIO ACTIVITY

    P BAHADUR|Exercise Exercies 6|14 Videos

  • RADIO ACTIVITY

    P BAHADUR|Exercise Exercies 7|24 Videos

  • RADIO ACTIVITY

    P BAHADUR|Exercise Exercies 3B|13 Videos

  • MOLE AND EQUIVALENT CONCEPT

    P BAHADUR|Exercise Exercise 9 Advanced numerical problems|61 Videos

  • REDOX REACTIONS

    P BAHADUR|Exercise Exercise(8) Statement:Explanation type problems|19 Videos

Similar Questions

Explore conceptually related problems

The radioactive nuclide ""_(90)""^(234)Th shows two succesive beta -decay followed by one alpha -decay. The atomic nuimber and mass number respectively of the resulting atom is

In which of the following decays the atomic number decreases?

Nuclides having some atomic number and same mass number but different rate of decay are called:

In radioactive transformation, Uranimum ""_(92)^(238)U emits 2alpha and 2beta and gets converted into Thorium (Th). The atomic number and mass number will be

A radioactive element, U_92^238 undergoes successive radioactive decay and decays into Pb_82^206 The number of alpha and beta particles emitted respectively are

In a radioactive decay chain, ._(90)^(232)Th nucleus decays to ._(82)^(212)Pb nucleus. Let N_(alpha) and N_(beta) be the number of alpha and beta - particles, respectively, emitted in this decay process. Which of the following statements is (are) true ?