CHM_Unit 5 Review PPT

A wavelength (λ) is the distance between a crest or trough in a wave and the next crest or trough on that wave. True or False?

• True

• False

Tags

NGSS.HS-PS4-1

The frequency (ν) is the number of waves that pass a certain point in one second. True or False?

• True

• False

Tags

NGSS.HS-PS4-1

What is the speed of light (C) in a vacuum?

• 3.00 x 10^8 m/s

• 3.00 x 10^6 m/s

• 3.00 x 10^10 m/s

• 3.00 x 10^5 m/s

Tags

NGSS.HS-PS4-1

Radiation with a high frequency has:

• Low energy

• High energy

• Low speed

• High speed

Tags

NGSS.HS-PS4-4

Fill in the blank: All electromagnetic radiation travels at the speed of light, which is ___.

• 3.00 x 10^8 m/s

• 3.00 x 10^6 m/s

• 3.00 x 10^10 m/s

• 3.00 x 10^5 m/s

Tags

NGSS.HS-PS4-1

When an electron absorbs a photon of a particular energy, what happens?

• It attains a higher energy level

• It emits a photon

• It loses energy

• It becomes a proton.

Tags

NGSS.HS-PS4-3

What happens when an electron drops to a lower energy level?

• A photon of a particular energy is emitted

• The electron disappears

• The atom becomes unstable

• The electron gains energy.

Tags

NGSS.HS-PS4-3

What is an orbital?

• A region around the nucleus where an electron with a specific energy is most likely to be found.

• A type of sublevel.

• A particle in the nucleus.

• A type of chemical bond.

Tags

NGSS.HS-PS1-2

An f sublevel contains ________ f orbitals.

• five

• six

• seven

• eight

In an orbital diagram, additional electrons enter with ______ spins until the orbitals are filled.

• same

• opposite

• random

• no