Day 2 of Radioactivity

Day 2 of Radioactivity

I can describe radioactive decay.

I can compare and contrast the different types of radioactive decay.

I can complete Nuclear Equations.

Open Ended

Write your question(s) about the three assignments I left during my absence here:

Multiple Choice

Radioactive materials have unstable...

• electrons
• protons
• nuclei
• neutrons

Multiple Choice

In a correctly written symbol what would be located in the "A" position?

• number of neutrons
• atomic number
• number of electrons 
• mass number

Multiple Choice

In a correctly written symbol what would be located in the "Z" position?

• number of neutrons

• atomic number

• number of electrons

• mass number

Multiple Choice

Describe the structure of an alpha particle.

• a fast-moving electron

• 2 protons and 2 neutrons

• a slow-moving neutron

• a hydrogen nucleus

Multiple Choice

What is the relative charge of an alpha particle?

• -1

• 0

• 1

• 2

Multiple Choice

Has the symbol

• Alpha
• Beta
• Gamma

Multiple Choice

A neutron changes into a proton and an electron releasing this type of particle.

• alpha decay

• beta decay

• gamma decay

• all of the above

• alpha & beta decay

Multiple Choice

Has the symbol

• Alpha
• Beta 
• Gamma
• electron

Multiple Choice

Gamma rays have

• no mass

• a huge mass

• a small mass

• an average mass

Multiple Choice

This radiation can only be stopped by a thick sheet of lead or several meters of water.

• alpha

• beta

• gamma

• alpha and beta

• none of the above

Multiple Choice

Which product is produced?

• ²³⁶₉₂U

• ²³⁶₉₃U

• ²³⁴₉₂Np

• ²³⁴₉₃Np

Multiple Choice

Complete the nuclear equation and determine the type of decay that is occurring in this reaction. 

• alpha
• beta
• gamma
• none

Multiple Choice

Complete the nuclear reaction

• ⁴₂He

• ⁰_-1 e

• ⁰₀Y

• ¹⁷₈O