Nuclear Chemistry Review Game

Radioactivity is

• turning the radio to your favorite station

• the energy holding an atom together

• the loss or gain of electrons to form ions.

• the decomposition of the nucleus to form a stable nucleus

Tags

NGSS.HS-PS1-8

Two isotopes of carbon are carbon-12 and carbon-14.  These isotopes differ from one another by two protons.

• true
• false

Tags

NGSS.HS-PS1-8

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Tags

NGSS.HS-PS1-8

What is the half-life of a radioactive element?

• Half the life span of the radioactive element.

• The time it takes for half the atoms in a sample to decay.

• Half the time it takes for all the atoms in a sample to decay.

• Half the average lifetime of a human.

Tags

NGSS.HS-PS1-8

An isotope of an element has the same number of _________, but a different number of _________.

• Protons, electrons

• Protons, neutrons

• Electrons, neutrons

• Neutrons, protons

Tags

NGSS.MS-PS1-1

Solve this equation for beta decay.
⁶⁰₂₇Co = ___ + ⁰_-1e

• ⁵⁶₂₅Mn
• ⁶⁰₂₈Ni
• ⁵⁸₂₃V
• ⁵⁹₂₇Co

Tags

NGSS.HS-PS1-8

Solve this equation for alpha decay.
²⁰⁹₈₅At = ___ + ⁴₂He

• ²⁰⁵₈₃Bi
• ²⁰⁹₈₆Rn
• ²⁰⁷₈₁Tl
• ²⁰⁸₈₅At

Tags

NGSS.HS-PS1-8

NGSS.HS-PS1-7

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

• ¹⁰₅B
• ¹⁰₅Ne
• ⁶₃Li
• ⁶₃C

Tags

NGSS.HS-PS1-8

After 2 half lives have passed, what percent of the original isotope is left?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-PS1-8

Based on the graph, what is the half-life of iodine-131?

• 32 days

• 8 days

• 16 days

• 24 days

Tags

NGSS.HS-PS1-8