Nuclear Chemistry

Which type of radiation has the greatest penetrating power?

• Alpha

• Beta

• Gamma 

• Microwaves

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.

Arrange in order of increasing ability to penetrate matter.

• Beta, gamma, alpha

• Alpha, gamma, beta

• Gamma, beta, alpha

• Alpha, beta, gamma

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

Alpha particles have a _____ charge.

• +2

• 0

• +1

• -1

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

• ¹⁰₅B

• ¹⁰₅Ne

• ⁶₃Li

• ⁶₃C

What is NOT a characteristic of an alpha particle?

• A negatively charged electron

• Stopped by paper

• A positively charged particle

• Low penetration

If Thorium-234 undergoes a beta decay, What element will be left in its place?

• Actinium-234

• Thorium-233

• Protactinium-234

• Radium-230