(B) Radioactivity is the process by which an unstable atomic nucleus loses energy by radiation. Among the given options,$Polonium$ ($Po$,atomic number

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(B) Radioactivity is the process by which an unstable atomic nucleus loses energy by radiation. Among the given options,$Polonium$ ($Po$,atomic number $84$) is a well-known radioactive element discovered by Marie Curie. Sulphur,Tellurium,and Selenium are non-radioactive elements belonging to Group $16$ of the periodic table.

Class 12 Chemistry Nuclear Chemistry Radioactivity and a,b and g rays

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Which of the following is a radioactive element?

A
Sulphur
B
Polonium
C
Tellurium
D
Selenium

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Class 12

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Nuclear Chemistry

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Radioactivity and a,b and g rays

In the radioactive decay of $X$ into $Y$ as shown below,what is the value of $_Z{Y^m}$?
$_{6}{X^{14}} \xrightarrow{-3\beta} {_{Z}}{Y^{m}}$

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$^{14}C$ is radioactive. The activity and the disintegration product are

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The radiations from a naturally occurring radio element,as seen after deflection in a magnetic field in one direction,are

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If it is assumed that ${}_{92}^{235}U$ decays only by emitting $\alpha$ and $\beta$ particles,the possible product of the decay is:

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The atomic number of a radioactive element increases by one unit in:

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Which of the following is a radioactive element?

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In the radioactive decay of $X$ into $Y$ as shown below,what is the value of $_Z{Y^m}$?$_{6}{X^{14}} \xrightarrow{-3\beta} {_{Z}}{Y^{m}}$

$^{14}C$ is radioactive. The activity and the disintegration product are

The radiations from a naturally occurring radio element,as seen after deflection in a magnetic field in one direction,are

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In the radioactive decay of $X$ into $Y$ as shown below,what is the value of $_Z{Y^m}$?
$_{6}{X^{14}} \xrightarrow{-3\beta} {_{Z}}{Y^{m}}$