Radioactive Decay and Nuclear Reactions

What radioactive particle consists of two protons and two neutrons?

• positron

• beta particle

• gamma ray

• alpha particle

What is the antiparticle of electron?

• proton

• neutron

• positron

• beta particle

What electromagnetic radiation has the shortest wavelength and carries the highest energy?

• positron

• beta particle

• gamma ray

• alpha particle

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

What radioactive particle refers to high energy electrons that are emitted from an unstable nuclei?

• positron

• gamma ray

• beta particle

• alpha particle

An atom's nucleus will spontaneously breakdown until it attains a more stable proton-neutron ratio.

• True

• False

Complete the nuclear reaction:  $_{92}^{238}U\ \longrightarrow\ _{\ }\ \ \ \ \ \ +\ _{90}^{234}Th$  

•  $_2^4\alpha$  

•  $_{-1}^{\ \ \ 0}\beta$  

•  $_0^0\gamma$  

•  $_1^0\beta$  

Tags

NGSS.HS-PS1-8

Complete the nuclear reaction:  $_{90}^{234}Th\ \longrightarrow\ _{\ }\ \ \ \ \ \ +\ _{91}^{234}Pa$  

•  $_2^4\alpha$  

•  $_{-1}^{\ \ \ 0}\beta$  

•  $_0^0\gamma$  

•  $_1^0\beta$  

Tags

NGSS.HS-PS1-8

Complete the nuclear reaction:  $_{43}^{99}Tc\ \longrightarrow\ _{\ }\ \ \ \ \ \ +\ _{43}^{99}Tc\$  

•  $_2^4\alpha$  

•  $_{-1}^{\ \ \ 0}\beta$  

•  $_0^0\gamma$  

•  $_1^0\beta$  

Tags

NGSS.HS-PS1-8

Complete the nuclear reaction:  $_{11}^{22}Na\longrightarrow\ _{\ }\ \ \ \ \ \ +\ _{10}^{22}Ne\$  

•  $_2^4\alpha$  

•  $_{-1}^{\ \ \ 0}\beta$  

•  $_0^0\gamma$  

•  $_1^0\beta$  

Complete the nuclear reaction:  $_{37}^{82}Rb\ +\ \ \ \ \ \ \ \longrightarrow\ \ _{36}^{82}Kr\$  

•  $_2^4\alpha$  

•  $_{-1}^{\ \ \ 0}\beta$  

•  $_0^0\gamma$  

•  $_1^0\beta$  

Tags

NGSS.HS-PS1-8