Radioactive Decay

Uranium-238  decays into  Thorium-234  by emitting .........

• an alpha particle
• a beta particle
• gamma rays
• visible light

Tags

NGSS.HS-PS1-8

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

• alpha particle
• electroscope
• beta particle
• gamma ray

Tags

NGSS.HS-PS1-8

Solve this equation for alpha decay.
₈₅²⁰⁹At = ___ + ₂⁴He

• ₈₃²⁰⁵Bi
• ₈₆²⁰⁹Rn
• ₈₁²⁰⁷Tl
• ₈₅²⁰⁸At

Tags

NGSS.HS-PS1-8

Gamma rays have

• no mass

• a huge mass

• a small mass

• an average mass

Tags

NGSS.HS-PS4-3

Which type of nuclear radiation is being emitted here?

• Alpha
• beta
• gamma 
• none

Tags

NGSS.HS-PS1-8

Has the symbol

• Alpha
• Beta 
• Gamma

Tags

NGSS.HS-PS4-3

Has the symbol

• Alpha
• Beta
• Gamma

Tags

NGSS.HS-PS1-8

Has the symbol

• Alpha
• Beta
• Gamma

Tags

NGSS.HS-PS1-8

If the nucleus has too many neutrons, a neutron will turn into a proton and emit a fast-moving electron. This process is known as ___________.

• alpha radiation

• beta radiation

• gamma radiation

• neutron radiation

Tags

NGSS.HS-PS1-8

Beta radiation is ____________________

• an electron from an electron shell.

• an electron from the nucleus.

• two protons and two neutrons.

• a high frequency electromagnetic wave.

Tags

NGSS.HS-PS1-8