CHEM Ch. 4 Review

What is the name of this element?

• Helium
• Hydrogen
• Argon
• Silver

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NGSS.HS-PS1-1

What is the mass number of this atom?

• 1
• 3
• 4
• 7

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NGSS.MS-PS1-1

What group does this element belong to?

• Group 1: Alkali metals
• Group 18: Noble Gases
• Group 2: Alkaline-Earth Metals
• Group 17: Halogens

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NGSS.HS-PS1-1

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Isotopes are elements with a different amount of

• protons
• neutrons
• electrons
• atoms

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NGSS.HS-PS1-8

Blue visible light has a shorter wavelength than red visible light.

• True
• False

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NGSS.HS-PS4-1

The _______________ determines the color of visible light. 

• wavelength
• speed
• amplitude
• light

Tags

NGSS.HS-PS4-1

Which of the following elements make up the unknown sample?

• A and B

• B and C

• C and D

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NGSS.HS-PS1-1

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Solve this problems using the equation: 
C = λν
If an AM radio station broadcasts at
9.95 x 10⁵ Hz, what is the wavelength of this radiation?

• 6.59 x 10^-28 m
• 1.01 x 10^-6 m
• 3.32 x 10^-3 m
• 302 m

Tags

NGSS.HS-PS4-1

An argon ion laser emits light at 488 nm. What is the frequency of this radiation?

• 4.07 x 10^-19 Hz
• 6.15 x 10¹⁴ Hz
• 1.46 x 10² Hz
• 2.05 x 10⁶ Hz

Tags

NGSS.HS-PS4-1

When wavelength increases...

• energy decreases

• energy increases

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NGSS.HS-PS4-1