Unit 4 Review

Energy is released from electrons when ________.

• they jump to a higher energy level

• they absorb energy and jump to a higher energy level

• they fall to a lower energy level

• they stay on the same energy level

Tags

NGSS.HS-PS1-4

The distance between two successive identical points on a wave is its ___.

• wavelength

• velocity

• frequency

• quantum number

Tags

NGSS.HS-PS4-1

Radio waves have a lower frequency and energy than X-rays, so the wavelength of radio waves is ____ than X-rays.

• shorter

• longer

• the same

• half the size

Tags

NGSS.HS-PS4-1

Which of the following types of electromagnetic radiation have a higher amount of energy than green light?

• blue light and gamma radiation

• yellow light and x-rays

• microwaves and infrared

• violet light and radio waves

Tags

NGSS.HS-PS4-3

Useful medical assessments that have a shorter wavelength than UV waves and less energy than gamma radiation use this type of radiation?

• blue light

• x-rays

• microwaves

• radio waves

Tags

NGSS.HS-PS4-1

Compared to orange light, violet light ____.

I. has a longer wavelength

II. has a higher frequency

III. has a higher energy

IV. has the same speed

• I, IV

• II, III

• II, III, IV

• I, III

Tags

NGSS.HS-PS4-1

Compared to microwaves, visible light:

I. has a longer wavelength

II. has a higher frequency

III. has a higher energy

IV. has the same speed

• I, IV

• II, III

• II, III, IV

• I, III

Tags

NGSS.HS-PS4-1

Compared to gamma rays, radio waves:

I. have a longer wavelength

II. have a higher frequency

III. have a higher energy

IV. have the same speed

• I, IV

• II, III

• II, III, IV

• I, III

Tags

NGSS.HS-PS4-1

Identify the correct Lewis Dot Structure for Nitrogen:

• A

• B

• C

• D

Tags

NGSS.HS-PS1-1

Which of the following elements has 8 valence electrons?

• Chlorine

• Lithium

• Neon

• Potassium

Tags

NGSS.HS-PS1-1