Radioactivity, Chemistry

Assignment Help:

 

Radioactive decay is a process whereby unstable nuclei change into more stable nuclei by emitting particles of different kinds. Alpha, beta and gamma (α, β and γ) radiation was classified according to its different penetrating power.

  • An α particle is a 4He nucleus, and is emitted by some heavy nuclei, producing a nucleus with Z two units less and mass number four units less. For example, 238U (Z=92) undergoes a decay to produce (radioactive) 234Th (Z=90).
  • A β particle is an electron. Its emission by a nucleus increases Z by one unit, but does not affect the mass number. Thus 14C (Z=6) decays to (stable) 14N (Z=7).
  • γ radiation have high-energy electromagnetic radiation. It accompanies α and β decay.

 

 

 

 

 


Related Discussions:- Radioactivity

Buffer capacity, plz explain me about buffer capacity and its type

plz explain me about buffer capacity and its type

Project, need an idea for chemistry project

need an idea for chemistry project

Mixture analysis, why HNO3 is not used for detection of acidic radicals of ...

why HNO3 is not used for detection of acidic radicals of 1st and 2nd group?

The following is least soluble, Which of the following is least soluble: ...

Which of the following is least soluble: (1) BeF 2                                              (2)  NaBr                  (3)  CaF 2                              (4

The statements, The statements: (1)  In filling a group of orbitals of equ...

The statements: (1)  In filling a group of orbitals of equal energy, it is energetically preferable to assign electrons to empty orbitals rather than pair them into a particular o

Crystals, what is a crystal and why do crystals have regular faces?

what is a crystal and why do crystals have regular faces?

Mole concept, calculate the volume occupied by 10000000000000000000000 mol...

calculate the volume occupied by 10000000000000000000000 molecules of a gas at 300 K & 760 mm pressure

P-block, what is atomic radii

what is atomic radii

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd