Atomic Structure

Question 1

Define nuclear radiation

Answer 1

This is a result of energy going to the nucleus due to electromagnetic radiation on shells.

Question 2

What can nuclear radiation lead to?

Answer 2

Alpha radiation,Beta radiation,Gamma radiation

Question 3

Define alpha radiation

Answer 3

Emission of a Helium particle

235 4 231
U —–> He + Th
92 2 90

He is the alpha particle

Question 4

Define Beta radiation

Answer 4

Ejection of a high speed electron.
During beta radiation a neutron splits into a proton and an electron,the electron is lost.
12 12
C———->e +. X
6. 7

Question 5

Define gamma radiation

Answer 5

Photons released from the nucleus

99m. 99. °
Tc————> Tc + Y. (Y ray)
43. 43. °