EM spectrum, frequency, wavelengths, & energy review

The unknown emission spectra belongs to the element

• Hydrogen

• Mercury

• Neon

• Sodium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS4-3

Which elements are in the unknown sample?

• A and B
• B and C
• A and D
• B and D

Tags

NGSS.HS-PS1-1

Each element produces its own pattern of emission spectra lines because each element has its own distinct

• Speed of light

• Electron configuration

• Number of neutrons

• None of these

Tags

NGSS.HS-PS1-1

The color of emitted light with the LONGEST wavelength is

• violet

• green

• red

• indigo

Tags

NGSS.HS-PS4-1

The color of emitted light with the SHORTEST wavelength is

• violet

• green

• red

• indigo

Tags

NGSS.HS-PS4-1

The color of emitted light with the HIGHEST frequency is

• violet

• green

• red

• indigo

Tags

NGSS.HS-PS4-1

What is a valence electron?

• Electrons in the first energy shell

• Electrons in the second energy shell

• Electrons in the outer shell

• Total number of electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

_____ have the longest wavelengths and lowest frequencies of all electromagnetic waves.

• microwaves
• radio waves
• gamma rays
• ultraviolet

Tags

NGSS.HS-PS4-1

_______ carry the greatest amount of energy.

• x-rays

• gamma rays

• infrared rays

• visible light

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