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Question

Which of the properties of radio isotopes make them useful as traces in medical or agricultural applications?
1. Their chemical behaviour is the same as non-radioactive isotope.
2. They emit various types of radiation.
3. The nuclear reaction is unaffected by the chemical state of isotope.

A
Only 1
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B
1 and 3
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C
1 and 2
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D
All of these
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Solution

The correct option is D All of these

1. Their chemical behaviour is the same as non-radioactive isotope.

2. They emit various types of radiation.

3. The nuclear reaction is unaffected by the chemical state of isotope.

All of the properties of radio isotopes make them useful as traces in medical or agricultural applications.

1. Their chemical behaviour is the same as non-radioactive isotope: They have similar chemical properties because isotopes of an element have the same number of electrons as an atom of that element. ... When a combination of neutrons and protons, which does not already exist in nature, is produced artificially, the atom will be unstable and is called a radioactive isotope or radioisotope.

2. They emit various types of radiation : There are three main types of radiation that can be emitted by radioactive particles. They are called alpha, beta, and gamma. All three types of radiation come from the nucleus of the atom. All three types of radiation will cause ionisation, but they behave slightly differently, because of the way they are made up.

3. The nuclear reaction is unaffected by the chemical state of isotope: A nuclear reaction is unaffected by the chemical state of the atoms involved. C) Nuclear reactions of the same element vary according to which isotope is involved.


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