Radiation

Question 1

What is the A and Z component of an atom formula?

Answer 1

A: # of Proton & neutron (Mass #)
Z: # of Proton (Atomic #)

Question 2

What is an isotope?

Answer 2

Atoms of the same element containing a different number of neutrons (different mass #).

Question 3

What is Alpha Decay?

Answer 3

A helium nucleus is ejected from the nucleus.

Question 3

What is Alpha Decay?

Answer 3

A helium nucleus is ejected from the nucleus.

Question 4

What is Beta negative decay?

Answer 4

A neutron changes into a proton, an electron, and an antineutrino.

Question 5

What is Beta positive decay?

Answer 5

A proton changes into a neutron and a positron and a neutrino. The neutron is not ejected.

Question 6

What is Gamma decay?

Answer 6

Gamma radiation is emitted not a particle.

Question 7

What are the four nuclear forces?

Answer 7

Gravitational Force, Electromagnetic Force, Strong Nuclear Force, Weak Nuclear Force.

Question 8

What is Binding Energy?

Answer 8

E = mc^2
E: binding energy (J)
m: mass defect (kg)
c: the speed of light (3.0 x 10^8 ms^-1)