Nuclear Reactions

Multiple Choice

A helium nucleus with two protons and two neutrons is called a(n) ____.  

• alpha particle
• electroscope
• beta particle
• gamma ray

Multiple Choice

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

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

Multiple Choice

What particle completes this reaction?

• alpha particle
• beta particle
• gamma particle
• neutron

Multiple Choice

The atomic number of Carbon (C) is _____.

• 8

• 6

• 5

• 10

​Beta

Multiple Choice

In Gamma decay what particle is emitted?

• Helium (He)

• Electron (e^-)

• Energy (Photon)

Multiple Choice

Identify the missing variable in the following reaction.