Nuclear equations

What happens to an atom's atomic number when it undergoes alpha decay?

• decreases by 1

• decreases by 2

• increases by 1

• increases by 2

When an atom undergoes gamma ray radiation, its atomic number...

• increases by 1

• decreases by 1

• decreases by 2

• does not change

What particle completes this reaction?

• alpha particle
• beta particle
• gamma particle
• neutron

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

• alpha
• beta
• gamma
• none

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

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

Solve this equation for alpha decay.
²²⁶₈₈Ra = ___ + ⁴₂He

• ²²²₈₆Rn
• ²²⁶₈₉Ac
• ²²⁴₈₄Po
• ²²⁵₈₈Ra

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

• ⁵⁶₂₅Mn
• ⁶⁰₂₈Ni
• ⁵⁸₂₃V
• ⁵⁹₂₇Co

The following is an example of what type of reaction?
²⁴³₉₅Am  →  ²³⁹₉₃Np + ⁴₂He 

• alpha decay
• beta decay
• gamma decay

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

• ¹⁰₅B
• ¹⁰₅Ne
• ⁶₃Li
• ⁶₃C