Radioactive decay

Radioactive Decay

Alpha Beta & Gamma radiation

Types of Radioactive Emission

Alpha Decay

• Radiation through the loss of 2p + 2n or

(helium)

Beta Decay

• Radiation where a neutron splits, giving off

an electron and becoming a proton in the
new element

Multiple Choice

Alpha particles (alpha decay) are comprised of

• 2 Protons & 2 Neutrons

• 4 Neutrons & 2 Electrons

• an electron

• an energy wave

Multiple Choice

Beta particles (Beta decay) are comprised of

• 2 Protons & 2 Neutrons

• 4 Neutrons & 2 Electrons

• an electron

• an energy wave

Multiple Choice

gamma decay is comprised of

• 2 Protons & 2 Neutrons

• 4 Neutrons & 2 Electrons

• an electron

• an energy wave

Gamma Decay

• A change energy state gives off a gamma

particle or photon

Question 3a

Balance the nuclear equation after alpha
decay

Question 3a

Balance the nuclear equation after alpha
decay

Draw

Complete the following equation

Question 3b

Balance the nuclear equation after beta decay

Remember in beta decay a neutron changes into a proton by giving off an
electron

Question 3b

Balance the nuclear equation after beta decay

Remember in beta decay a neutron changes into a proton by giving off an
electron

Draw

Complete the following equation