Nuclear Chemistry Review

Which type of radiation has the highest energy or the greatest penetrating power?

• alpha

• beta

• gamma

• microwaves

Tags

NGSS.HS-PS4-4

What happens to the atomic number during alpha decay?

• it decreases by 4

• it increases by 1

• it decreases by 2

• it stays the same

Tags

NGSS.HS-PS1-8

Arrange the following in order of increasing ability to penetrate matter.

• beta, gamma, alpha

• alpha, gamma, beta

• gamma, beta, alpha

• alpha, beta, gamma

Tags

NGSS.HS-PS1-8

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

• ¹⁴₅B
• ¹⁴₆C
• ¹⁴₇N
• ⁴₂He

Tags

NGSS.HS-PS1-8

In the symbol ¹⁶₇N, what does the 7 represent?

• mass number

• atomic number

• atomic mass

• number of neutrons

What fraction of the original (parent) isotope remains after two half-lives?

• 1/2

• 1/4

• 1/8

• 1/16

Tags

NGSS.HS-PS1-8

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

• alpha
• beta
• gamma
• none

Tags

NGSS.HS-PS1-8

Positron particles have a _____ charge.

• +2

• 0

• +1

• -1

Tags

NGSS.HS-PS1-8

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

Tags

NGSS.HS-PS1-8

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

• ¹⁰₅B
• ¹⁰₅Ne
• ⁶₃Li
• ⁶₃C

Tags

NGSS.HS-PS1-8