Module 20

Which of the following can acceleration refer to?

• Increasing Speed

• Decreasing Speed

• Changing Direction

• No speed

Tags

NGSS.MS-PS2-2

___________________ is the change in position that is determined by the distance and direction of an object’s change in position from the starting point

Which of these elements has the smallest atomic radius?

• C

• Ne

• K

• Al

• P

In the following configuration, which electrons are the core electrons? 1s² 2s² 2p⁶ 3s² 3p⁴

• 1s² 2s² 2p⁶

• 3s² 3p⁴

• 1s² 2s²

• 2s² 2p⁶ 3s² 3p⁴

Tags

NGSS.HS-PS1-1

high-energy electron that is emitted when a neutron decays into a proton

• beta particle

• alpha particle

• strong force

• tracer

Tags

NGSS.HS-PS1-8

amount of time it takes for half the nuclei in a sample of radioactive isotope to decay

• half-life

• strong force

• chain reaction

• tracer

Tags

NGSS.HS-PS1-8

process that occurs when a nucleus decays and emits matter and energy

• radioactivity

• chain reaction

• alpha particle

• transmutation

Tags

NGSS.HS-PS1-8

attractive force that acts between protons and neutrons in an atomic nucleus

• strong force

• chain reaction

• beta particle

• transmutation

Tags

NGSS.HS-PS1-8

A bee eating the flower's nectar and picking up the flower's pollen, transferring it to other flowers for pollination is

• herbivory.

• commensalism.

• parasitism.

• mutualism.

What type of nuclear decay is represented in the illustration to the right?

• Nuclear fusion

• Alpha decay

• Gamma radiation

• Beta decay