Nuclear Chemistry

Scientist involved with discovery of radioactivity.

• Albert Einstein
• Ernest Rutherford
• Marie Curie
• Isaac Newton

What does it mean when an element is radioactive?

• atom emits radiation
• nucei unstable due to uneven p to n ratio
• nuclei changes to become stable
• all of the above

What do these symbols represent?

• alpha particle
• beta particle
• neutron
• gamma ray

Arrange in order of increasing ability to penetrate matter.

• Beta, gamma, alpha
• Alpha, gamma, beta
• Gamma, beta, alpha
• Alpha, beta, gamma

Alpha particles have a _____ charge.

• +2
• 0
• +1
• -1

What type of nuclear equation is this?

• fusion
• fission
• alpha
• beta

What happens to the atomic number during alpha decay?

• The atomic number decreases by 4
• The atomic number increases by 1
• The atomic number decreases by 2.
• The atomic number stays the same.

Balance the following equation:
¹⁴₆C --> ⁰_-1e + ________

• ¹⁴₅B
• ¹⁴₆C
• ¹⁴₇N
• ⁴₂He

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

• alpha
• beta
• gamma
• none

What is the missing isotope that will balance the following nuclear equation?
⁹₄Be  +  ¹₁H →  _____  +  ⁴₂He

• ¹⁰₅B
• ¹⁰₅Ne
• ⁶₃Li
• ⁶₃C