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The elements which emit radioactivity ar...

The elements which emit radioactivity are known as

A

radio elements

B

active elements

C

radioactive elements

D

nuclear elements

Text Solution

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The correct Answer is:
C
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CENGAGE CHEMISTRY-RADIOACTIVITY-MANDATORY EXERCISE (SET I)
  1. Isotopes differ in the number of

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  2. The relative atomic mass of an isotope of hydrogen containing two neut...

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  3. The elements which emit radioactivity are known as

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  4. The type of radiations emitted by radioactive substance are

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  5. The radiations emitted by different elements are

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  6. The spontaneous emission of radioactivity by unstable nuclei is called

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  7. In case of radioactive nucleus

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  8. Number of neutrons in element plutonium is ""(94)^(242)Pu

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  9. Which action will most increase a present exposure to radioactivity?

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  10. Which of the following have highest penetrating capacity

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  11. An atom of radium combines with two atoms of chlorine to form RaCl(2) ...

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  12. ""(6)^(11)C on decay produces

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  13. Isodiaphers are atoms having

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  14. A particle of mass m when annihilated completely gives energy E equal ...

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  15. ""^(23)Na is more stable isotope of Na. Find out the process by which ...

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  16. Which of the following isotopes is likely to be most stable

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  17. Neutrino was predicted to

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  18. Number of neutrons in a parent nucleus x, which gives ""(7)^(14)N afte...

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  19. Which of the following projectiles is the best for bombarding the nucl...

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  20. An alpha particle is also known as

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