Nuclear Chemistry Quiz

Which of the following BEST describes what occurs in a fusion reaction?

• Two low mass nuclei are joined to form one nucleus and gives off energy.

• A single nucleus divides into two or more nuclei and gives off energy.

• Electrons are shared between the nuclei.

• A chemical reaction occurs between the nuclei.

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NGSS.HS-PS1-8

The high energy yields created by nuclear fission are due to...

• binding nuclei.

• hydrogen bonding.

• secondary recovery.

• chain reactions.

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NGSS.HS-PS1-8

A nuclear reaction where a nucleus splits into two smaller nuclei is... 

• Fission
• Fusion
• Gamma decay
• Beta decay

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NGSS.HS-PS1-8

What would two different isotopes of an atom have in common?

• Number of neutrons 
• Number of protons
• Atomic weight 
• Atomic mass

What happens when the number of protons in an atom changes? 

• The number of electrons changes too 
• Usually nothing happens, unless the atom is radioactive 
• The atomic nucleus explodes
• It becomes a completely different atom, with different properties 

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NGSS.HS-PS1-8

Which type of nuclear radiation is being emitted here?

• Alpha
• beta
• gamma 
• none

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NGSS.HS-PS1-8

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

• ¹⁴₅B
• ¹⁴₆C
• ¹⁴₇N
• ⁴₂He

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NGSS.HS-PS1-8

Negatively charged particles found outside of the nucleus are called

• electron
• protons
• neutrons
• nucleons

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Two or more nuclei combine to form one larger nucleus in the process of nuclear _____.

• Fusion
• Fission
• Tracing
• Decay

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NGSS.HS-PS1-8

This is an example of...

• Fission  reaction
• Fusion reaction
• Decomposition reaction
• Combustion

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NGSS.HS-PS1-8