Radioactive Rays

The type of radioactive particle that can be most easily stopped is the ____.

• Alpha Particle
• Beta Particle
• Gamma Ray
• Uranium

 The three types of nuclear radiation in increasing order of penetrating power are ____.

• gamma, beta, alpha
• alpha, gamma, beta
• alpha, beta, gamma
• beta, gamma, alpha

The most penetrating type of radiation is the ____.

• alpha particle
• beta particle
• gamma ray
• uranium

Negatively charged particles emitted from a nucleus at a high speed are ____.

• alpha particles
• beta particles
• gamma rays
• uranium

Tags

NGSS.HS-PS1-8

Which radiation has no electric charge associated with it?

• alpha
• beta
• gamma
• alpha and beta

An alpha particle consists of 

• two protons, two neutrons, and two electrons.
• two neutrons and two electrons.
• two protons and two neutrons.
• two protons and two electrons.

Tags

NGSS.HS-PS1-8

Which type of radioactive decay occurs when the atomic number increases by one?

• beta decay
• alpha decay
• positron decay
• gamma decay

Tags

NGSS.HS-PS1-8

When a nucleus emits a beta particle, its atomic number 

• changes, and so does its mass number.
• changes, but its mass number remains constant.
• remains constant, and so does its mass number.
• remains constant, but its mass number changes.

Tags

NGSS.HS-PS1-8

When uranium (92 protons) ejects an alpha particle, the nucleus left behind has 

• 92 protons.
• 91 protons.
• 90 protons.
• 89 protons.

Tags

NGSS.HS-PS1-8

When thorium (90 protons) ejects a beta particle, the resulting nucleus has 

• 88 protons.
• 89 protons.
• 90 protons.
• 91 protons.

Tags

NGSS.HS-PS1-8