Advertisements
Advertisements
Question
Name two radioactive substances.
Advertisements
Solution
Two radioactive substances are Uranium, Radium.
APPEARS IN
RELATED QUESTIONS
Answer the following questions based on a hot cathode ray tube.
What will happen to the beam when it passes through the electric field?
A radioactive substance is oxidized. Will there be any change in the nature its radioactivity? Give a reason for your answer
Represent the change in the nucleus of a radioactive element when a β particle is emitted.
A radioactive nucleus `""_"Z"^"A"` X first emits a beta particle and then an alpha particle to give the resulting nucleus `""_"Q"^"P"` Y What will be the values of P and Q in terms of A and Z?
Define free electrons.
Justify with reason, whether the following nuclear reactions are allowed or not.
\[\ce{^A_Z X -> ^A_{Z - 2}X + ^4_{2}He}\]
Which part of the atom undergoes a change in the process of radioactive decay?
Unit of radioactivity is _______
Heavy radioactive elements eventually turn into ______.
Calculate the time interval between 33% decay and 67% decay if half-life of a substance is 20 minutes.
