Unit 4 Review

The characteristic color bands that a hot, dilute gas emits when viewed with a spectroscope are called...

• emission spectra

• absorption spectra

• continuous spectra

• black body radiation

Tags

NGSS.HS-PS4-1

What element is represented in this Bohr Model?

• Carbon

• Hydrogen

• Aluminum

• Lithium

Tags

NGSS.HS-PS1-1

The shortest wavelength in visible light is______.

• violet
• red
• blue
• yellow

Tags

NGSS.HS-PS4-1

_______ carry the greatest amount of energy. 

• x-rays
• gamma rays
• infrared rays
• visible light

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-4

The _____ determines the color of visible light.

• wavelength

• speed

• amplitude

• light

Tags

NGSS.HS-PS4-1

Emission of light from an atom occurs when an electron

• drops from a higher to a lower energy level.
•    jumps from a lower to a higher energy level.   
•    moves within its atomic orbital.
• falls into the nucleus.

Tags

NGSS.HS-PS4-3

A wave with a large wavelength will have a ______ frequency and _____ energy

• high, low
• high, high
• low, high
• low, low

Tags

NGSS.HS-PS4-1

Which drawing represents the process by which an emission line is formed? [Emission means that energy is being "emitted" or released by the atom.]

• A

• B

• C

• D

Tags

NGSS.HS-PS4-3

NGSS.HS-PS1-2

Which drawing represents the process by which an absorption line is formed? [Absorption means that energy is being absorbed or taken-in by the atom.]

• A

• B

• C

• D

Tags

NGSS.HS-PS4-3

An electron transitions from n = 6 to n = 3. Which wavelength is released?

• 410 nm

• 1875 nm

• 1282 nm

• 1094 nm

Tags

NGSS.HS-PS4-1