P4: Quiz 4 – Answers

1)

a) Alpha

a) Alpha

b) Beta (minus)

c) Gamma

2)

3)

*The element after the radiation has taken place is nitrogen*

4)

5) It emits alpha radiation

6)

7)

**Questions**

1)

a) Write the symbol with the numbers for alpha radiation.

b) Write the symbol with the numbers for beta radiation.

c) Write the symbol with the numbers for gamma radiation.

2) Uranium-238 emits an alpha particle to produce thorium. The partially filled nuclear equation is shown below.

Fill in the gaps in the above equation.

3) Carbon-14 undergoes beta [minus] radiation.

3) Carbon-14 undergoes beta [minus] radiation.

Fill in the gaps in the above nuclear equation for the numbers and the element after the radiation has taken place (use a periodic table to find the name/ symbol of the element after the radiation has taken place).

4) Thorium-234 gives out some gamma radiation.

4) Thorium-234 gives out some gamma radiation.

Fill in the gaps in the above nuclear equation for the numbers and the element after the radiation has taken place

5) Plutonium undergoes radioactive decay and emits one type of radiation. The partially completed nuclear equation is shown below.

5) Plutonium undergoes radioactive decay and emits one type of radiation. The partially completed nuclear equation is shown below.

What type of nuclear radiation does it undergo/ emit? Complete the nuclear equation.

6) Potassium undergoes beta [minus] radiation.

6) Potassium undergoes beta [minus] radiation.

Fill in the gaps in the above nuclear equation.

7) Polonium-203 undergoes alpha and gamma radiation at the same time to turn into lead.

7) Polonium-203 undergoes alpha and gamma radiation at the same time to turn into lead.

Fill in the gaps in the above nuclear equation.