Isotopes and Radioactivity

Which type(s) of radiation is a fast moving electron?

• alpha

• beta

• gamma

• alpha and beta

• beta and gamma

Tags

NGSS.HS-PS4-3

Which type(s) of radiation can pass through paper?

• alpha

• beta

• gamma

• alpha and beta

• beta and gamma

Which of the following half-lives would be most suitable for a medical tracer used in a patient?

• 3 minutes

• 3 hours

• 3 days

• 3 years

What form of radiation should a medical tracer emit?

• alpha

• beta

• gamma

• any of these

Tags

NGSS.HS-PS1-8

What change takes place to an atom during beta decay?

• A proton changes into a neutron

• A proton changes into an electron

• An electron changes into a neutron

• A neutron changes into a proton

Tags

NGSS.HS-PS1-8

An isotope is a version of an element with the same number of protons but different number of __________.

• neutron

• electron

Atoms of a particular element that have different numbers of neutrons are called:

• Isotopes

• Ions

• Isometrics

• Isomers

When you go to the dentist and get Xrays of your teeth, the dentist will typically have you put on a heavy vest. Inside this vest is lead which is a really dense metal capable of stopping MOST radiation. What radiation can penetrate lead?

• Alpha radiation

• Beta radiation

• Thermal radiation

• Gamma radiation

Which type of reaction is the atomic number increased but atomic mass unchanged?

• Beta decay

• Fusion

• Alpha decay

• Gamma decay

Tags

NGSS.HS-PS1-8

In alpha decay, the atomic number...

• increases by 2

• decreases by 2

• increases by 4

• decreases by 4

Tags

NGSS.HS-PS1-8