S4_Radioactivity

What type of radioactive decay is shown here?

• Alpha decay
• Beta decay
• Gamma decay

An isotope of an element has the same number of _________, but a different number of _________.

• Protons, electrons
• Protons, neutrons
• Electrons, neutrons

What particle is released when an unstable isotope undergoes alpha radiation?

• an helium nucleus
• an electron
• a photon of light

Which is NOT a characteristic of gamma radiation?

• High energized photon of light
• Can be stopped by a sheet of aluminum foil
• Is the most harmful type of radiation to humans
• Our use of protection is concrete, or several inches of lead

What type of decay is shown here

• alpha decay
• beta decay
• gamma decay

Tags

NGSS.HS-PS1-8

Which particles make up the nucleus of an atom?

• protons and neutrons
• electrons and protons
• electrons, protons, and neutrons
• electrons and neutrons

Tags

NGSS.HS-PS1-8

An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

• 11
• 5
• 6
• 16

Tags

NGSS.MS-PS1-1

In order of most to least penetrating radiation we have

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

Tags

NGSS.HS-PS1-8

_______________ is the process by which unstable atoms emit radiation until they become stable.

• Radiation
• Chemical Reaction
• Radioactive Decay
• Isotopes

Tags

NGSS.HS-PS1-8

Which type of radiation releases an electron?

• Alpha radiation

• Beta radiation

• Gamma radiation

• Theta radiation