Nuclear Chem Practice QUIZizz

Match the following types of decay with their characteristics.

• emits helium nuclei

• beta

• emits electromagnetic radiation

• gamma

• emits positrons

• alpha

• emits electrons

• positron emission

All nuclei are the most stable when they have the same number of protons as neutrons.

• True

• False

This is a symbol for what type of particle?

• alpha particle

• beta particle

• gamma ray

• positron

This is a symbol for what type of particle?

• alpha particle

• beta particle

• gamma ray

• positron

This is a symbol for what type of particle?

• alpha particle

• beta particle

• gamma ray

• positron

What is this a symbol for?

• alpha particle

• beta particle

• gamma ray

• positron

Which of the following is an example of nuclear fusion? 

• A plutonium atom is used to start a chain reaction that detonates a nuclear weapon 
• A uranium atom is split apart into lighter elements
•  Two hydrogen atoms are combined to form a helium atom
• Two hydrogen atoms bond with an oxygen atom to form a water molecule 

In what part of an atom can protons be found? 

• Inside the electrons
• Inside the neutrons 
• Inside the atomic nucleus 
•  Inside the electron shells

(a)   is NOT a characteristic of an alpha particle.

• A negatively charged electron
• Stopped by paper
• A positively charged particle
• Low penetration

In order of most to least penetrating radiation we have

• Alpha , Beta,  Gamma
• Beta , Gamma , Alpha
• Gamma, Beta, Alpha
• Gamma, Alpha, Beta