Nuclear Chemistry

Which type of radiation has the greatest penetrating power?

• Alpha
• Beta
• Gamma 
• Microwaves

Tags

NGSS.HS-PS4-4

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.

Tags

NGSS.HS-PS1-8

Arrange 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 the 7 stand for?

• Mass number

• Atomic number

• Atomic mass

• Number of neutrons

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

Alpha particles have a _____ charge.

• +2
• 0
• +1
• -1

Tags

NGSS.HS-PS2-4

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 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 NOT a characteristic of an alpha particle?

• A negatively charged electron
• Stopped by paper
• A positively charged particle
• Low penetration

Tags

NGSS.HS-PS1-8