Integrated Physical Science - Unit 12 (Radioactivity)

After one half life, how much of a 500 g sample will be left?

• 500 g

• 250 g

• 125 g

• 100 g

After two half lives, how much of a 500 g sample will be left?

• 500 g

• 250 g

• 125 g

• 100 g

What kind of nuclear reaction occurs in the Sun's interior?

• nuclear fusion

• nuclear fission

A sample of Carbon-14 has a half life of about 6,000 years.

What percentage of the original sample will be left after 12,000 years?

• 100%

• 50%

• 25%

• 12.5%

A 200g sample of Iodine -131 has a half life of about 8 days.

How much Iodine is left after 8 days?

• 200 g

• 100 g

• 50 g

• 25 g

What type of radioactive decay is shown here?

• Alpha decay
• Beta decay
• Gamma decay

Tags

NGSS.HS-PS1-8

Which type of radiation releases an electron?

• Alpha radiation
• Beta radiation
• gamma radiation

Tags

NGSS.HS-PS1-8

What type of radiation can be stopped by clothing or a piece of paper?

• Alpha radiation
• Beta radiation
• gamma radiation

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

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

Tags

NGSS.HS-PS1-8

What type of decay is shown here

• alpha decay
• beta decay
• gamma decay

Tags

NGSS.HS-PS1-8