An element X decays first by positron em...

An element X decays first by positron emission and then two `alpha`-particles are emitted in succesive radioactive decay. If the product nucleus has a mass number 229 andd atomic number 89, the mass number and atomic number of element X are

273,93

237,94

238,93

237,92

Text Solution

Verified by Experts

The correct Answer is:

Protons are never given out during radioactive change.

Topper's Solved these Questions

NUCLEAR CHEMISTRY
NARAYNA|Exercise MULTI ANSWER|15 Videos
NUCLEAR CHEMISTRY
NARAYNA|Exercise MATRIX MATCH|9 Videos
NUCLEAR CHEMISTRY
NARAYNA|Exercise STATEMENT|4 Videos
METTALURGY
NARAYNA|Exercise Statement Typer Question|2 Videos
ORGANIC COMPOUNDS CONTAINING NITROGEN
NARAYNA|Exercise EXERCISE-4|30 Videos

Similar Questions

Explore conceptually related problems

An element X decays , first by positron emission and then two alpha -particles are emitted in successive radiactive decay. If the product nucleus has a mass number 229 and atomic number 89 , the mass number and atomic number of element X are.

Which type of radioactive decay produces a daughter nucleus with a higher atomic number?

An element X has a mass number 4 and atomic number 2. Write the valency of this element.

If uranium ( mass number 238 and atomic number 92 ) emits an alpha- paticle, the produc has mass number and atomic number

A radioactiv element has atomic number A and mass number M. It emits one alpha - particle .The atomic number and mass number of new element will be

What are the respective number of alpha and beta -particles emitted in the following radioactive decay?

If uranium (mass number = 238 and atomic number = 92) emits an alpha -particle, the product has mass number and atomic number respectively are

Assertion : alpha -particle is a helium nucleus. Reason : In alpha -decay, both the mass number as well as atomic number of the daugther is more than that of parent.

A nucleus ._nX^M emits one alpha particle and one beta -particle. What are the mass number and atomic number of the product nucleus?

NARAYNA-NUCLEAR CHEMISTRY-SINGLE ANSWER

In a first order reaction, the concentration of the reactants is reduc...
Text Solution
|
The decay constant of a radioactive sample is 'lambda'. The half-life ...
Text Solution
|
An element X decays first by positron emission and then two alpha-part...
Text Solution
|
In the reaction represented by, ""(Z)""^(A)Xto.""(Z-2)""^(A-4)Yto.""...
Text Solution
|
The number of beta-particles emitted during the change ""(a)""^(c)Xto"...
Text Solution
|
The decay constant of a radioactive substance is 0.173 (year)""^(-1). ...
Text Solution
|
The radioactivity of a sample is R(1) at a time T(1) and R(2) at time ...
Text Solution
|
If the amount of radioactive substance is increased three times, the n...
Text Solution
|
The intergrated rate equation is Rt = log, C(0) - log C(t). The stra...
Text Solution
|
The number of neutrons accompanying the formation of ""(54)""^(139)Xe ...
Text Solution
|
The numberr of neutrons emitted when ""(92)""^(235)U undergoes control...
Text Solution
|
Two radioactive elements X and Y half-live pf 50 and 100 minute respe...
Text Solution
|
The time in which activity of an element is reduced to 90% of its orig...
Text Solution
|
The half of ""(92)""^(238)U against alpha-decay is 4.5xx10""^(9)year. ...
Text Solution
|
Two isotopes P and Q atomic weight 10 and 20, respectively are mixed i...
Text Solution
|
A rock is found to contain U-238 and Pb-206 in the ratio of 3 : 2. If ...
Text Solution
|
Half life of a radioactive substance is 60 min. After 3 hours, the fra...
Text Solution
|
The activity of a sample of radioactive material A(1) at time t(1) and...
Text Solution
|
An old chair of wood show ""(6)C""^(14) activity which is 80% of the a...
Text Solution
|
For nuclide ""(Z)X""^(A), which of the following changes snot take pla...
Text Solution
|