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The emission of an alpha- particle reduc...

The emission of an `alpha-` particle reduces the mass of nuclei by 4 units and increases its atomic number by 2.

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The mass of an alpha- particle is.

The mass of an alpha- particle is.

A certain radioactive nucleus emits a particle that leaves its mass number unchanged, but increases its atomic number by one. Identify the particle and write its symbol.

If the mass number of an element is W and its atomic number is N, then

In the disintegration of a radioactive element, alpha - and beta -particles are evolved from the nucleus. ._(0)n^(1) rarr ._(1)H^(1) + ._(-1)e^(0) + Antineutrino + Energy 4 ._(1)H^(1) rarr ._(2)He^(4) + 2 ._(+1)e^(0) + Energy Then, emission of these particles changes the nuclear configuration and results into a daughter nuclide. Emission of an alpha -particles results into a daughter element having atomic number lowered by 2 and mass number by 4, on the other hand, emission of a beta -particle yields an element having atomic number raised by 1. During beta -decay, the mass of atomic nucleus

In the disintegration of a radioactive element, alpha - and beta -particles are evolved from the nucleus. ._(0)n^(1) rarr ._(1)H^(1) + ._(-1)e^(0) + Antineutrino + Energy 4 ._(1)H^(1) rarr ._(2)He^(4) + 2 ._(+1)e^(0) + Energy Then, emission of these particles changes the nuclear configuration and results into a daughter nuclide. Emission of an alpha -particles results into a daughter element having atomic number lowered by 2 and mass number by 4, on the other hand, emission of a beta -particle yields an element having atomic number raised by 1. How many alpha - and beta -particle should be emitted from a radioactive nuclide so that an isobar is formed?

In the disintegration of a radioactive element, alpha - and beta -particles are evolved from the nucleus. ._(0)n^(1) rarr ._(1)H^(1) + ._(-1)e^(0) + Antineutrino + Energy 4 ._(1)H^(1) rarr ._(2)He^(4) + 2 ._(+1)e^(0) + Energy Then, emission of these particles changes the nuclear configuration and results into a daughter nuclide. Emission of an alpha -particles results into a daughter element having atomic number lowered by 2 and mass number by 4, on the other hand, emission of a beta -particle yields an element having atomic number raised by 1. Which of the following combinations give finally an isotope of the parent element?

In the disintegration of a radioactive element, alpha - and beta -particles are evolved from the nucleus. ._(0)n^(1) rarr ._(1)H^(1) + ._(-1)e^(0) + Antineutrino + Energy 4 ._(1)H^(1) rarr ._(2)He^(4) + 2 ._(+1)e^(0) + Energy Then, emission of these particles changes the nuclear configuration and results into a daughter nuclide. Emission of an alpha -particles results into a daughter element having atomic number lowered by 2 and mass number by 4, on the other hand, emission of a beta -particle yields an element having atomic number raised by 1. A radioactive element belongs to III B group, it emits ona alpha - and beta -particle to form a daughter nuclide. The position of daughter nuclide will be in

A radium Ra_88^224 isotope, on emission of an alpha -particle gives rise to a new element whose mass number and atomic number will be:

Assertion : After emission of one alpha -particle and two beta -particles, atomic number remains unchanged. Reason : Mass number changes by four.

CENGAGE CHEMISTRY ENGLISH-NUCLEAR CHEMISTRY-Exercise True/False
  1. The alpha- rays have more penetrating power than gamma- rays.

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  2. Radioisotopes of elements have same atomic number.

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  3. Smaller the value of half- life period, greater is the number of atoms...

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  4. Radon, actinon, and thoron are isobars.

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  5. The last member of 4n+1 series is an isotope of …………………………………. .

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  6. Gamma rays produce maximum ionization in gases.

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  7. The radioactive decay follows zero- order kinetics.

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  8. Pu^(239) is an artificial fissile material.

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  9. The control rods used in a muclear reactor can be made up of

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  10. I^(131) is unsed to study the activity of thyroid gland.

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  11. Alpha particles are positively charged.

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  12. Tritium is beta- radioactive in nature.

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  13. The atomic reactor when used to generate electricity is termed breeder...

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  14. The nuclear activity of a neutral atom and its ion is always the same.

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  15. A positron is as heavy as a proton.

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  16. The percentage efficiency of nuclear fissiion is higher than nuclear f...

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  17. The ratio of C^(14)//C^(12) in dead tissue is less than that in fresh ...

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  18. The SI unit of radioactivity is curie.

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  19. All radioactive elements which emit beta- rays have the same half - l...

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  20. The emission of an alpha- particle reduces the mass of nuclei by 4 uni...

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