Isotopes and Radioactivity

Which type of radiation can be released during radioactive decay?

• Alpha

• Beta

• Gamma

• All three

Tags

NGSS.HS-PS1-8

How many protons does this isotope have?

• 41

• 28

• 15

• 13

Tags

NGSS.MS-PS1-1

Two atoms have the same atomic number

• They must be isotopes of the same element

• They must have the same number of neutrons

• They must have the same average atomic mass

• They must have the same number of protons plus neutrons, but are not related to each other in any other way.

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

• Protons, electrons

• Protons, neutrons

• Electrons, neutrons

• Neutrons, protons

Tags

NGSS.MS-PS1-1

What is the name of this isotope?

• Germanium-32

• Germanium-72

• Germanium-72.64

• Hafnium-72

Tags

NGSS.HS-PS1-8

What is the name given to an "unstable" isotope?

• radioactive

• radioisotopes

• photon

• electron cloud

Tags

NGSS.HS-PS1-8

What isotope is this?*Write your answer in for form of "element-##" (e.g. carbon-14).

What is the name of the pictured isotope?

• Copper-29

• Copper-63

• Copper-34

• CopperWopperHopperBopper

^{The photo above shows the isotopic notation for which isotope?}

• Carbon 12

• Carbon 13

• Carbon 14

• Carbon 15

Which of these describes the use of the carbon-14 isotope?

• formed by radioactive decay

• cannot beused to date objects

• can be used to date objects more than 6,000 years old

• can be used to date objects less than 75,000 years old

Tags

NGSS.HS-PS1-8