Radioactive

What type of radioactive decay is this example?

• alpha

• beta minus

• beta plus

• gamma

Tags

NGSS.HS-PS1-8

How is the negative beta particle written in a nuclear equation?

• ⁴₂He

• ⁰₊₁e

• ⁰_-1e

• ⁰₀γ

Tags

NGSS.HS-PS1-8

²²⁰₈₇Fr —› ⁴₂He + ____

• ²²⁰₈₉Ac

• ²²⁴₉₀Th

• ²¹⁶₈₅At

• ²¹⁶₈₈Ra

Tags

NGSS.HS-PS1-8

₆C —› ⁰_-1e + ____

• ¹²₆C

• ¹⁴₇N

• ¹⁴₈O

• ¹⁴₅B

Tags

NGSS.HS-PS1-8

What type of radiation is the most penetrating?

• Alpha

• Beta

• Gamma

Tags

NGSS.HS-PS4-4

Which of the following is a good description of radioactivity?

• The energy necessary for the creation of zombies

• Elements that have unstable nuclei that may decay and result into transformation into a new element

• The way that atoms of elements clone themselves into new copies

• The method by which electrons are stripped from atoms to become charged particles

Tags

NGSS.HS-PS1-8

This term refers to the amount of time it takes for half of a certain substance to undergo radioactive decay.

• alpha life

• beta life

• radioactivity time

• half-life

Tags

NGSS.HS-PS1-8

The half-life of cobalt-60 is 5.26 years. After 10.52 years, 5 grams of a 20-gram sample will remain.

• true

• false

Tags

NGSS.HS-PS1-8

______ is used to determine the age of once-living artifacts.

• iodine-131

• phosphorus-32

• carbon-14

• americium-241

Beta radiation is ____________________

• an electron from an electron shell.

• an electron from the nucleus.

• two protons and two neutrons.

• a high frequency electromagnetic wave.

Tags

NGSS.HS-PS1-8