Unit 2 Section 2 Practice for Test

Which is the correct ground state electron configuration for Silver (Ag)?

• [Kr] 5s2 4d9
• [Kr] 5s1 4d10
• [Kr] 5s2 4d8
• [Kr] 5s2 4d10

Tags

NGSS.HS-PS1-1

If the frequency is increasing on the electromagnetic spectrum, this means the wavelength size is...

• fluctuating
• staying the same
• increasing
• decreasing

Tags

NGSS.HS-PS4-1

Which element has the ground state electron configuration of 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁵

• Chlorine
• Phosphorus
• Bromine
• Sulfur

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ultra-violet light has a higher frequency than Infrared waves on the electromagnetic spectrum.

How does the wavelength of Ultra-violet light compare to Infrared waves?

• Ultra-violet has a longer wavelength than Infrared does

• Ultra-violet has shorter wavelengths than Infrared does.

• Both Ultra-violet and Infrared have the same wavelengths.

• Ultra-violet has a wavelength while Infrared does not.

Tags

NGSS.HS-PS4-1

A light has a wavelength of 5.36 x 10^-7. What is the frequency of the light?

• 1.786 x 10^-15 s^-1

• 5.597 x 10¹⁴ s^-1

• 160.80 s^-1

• 8.084 x 10²⁶ s^-1

Tags

NGSS.HS-PS4-1

Which of the atoms in the Lewis structure above has violated the octet rule?

• Oxygen

• Chlorine

• Sulfur

What is the ground state electron configuration for the element with atomic number 20 (Calcium)?

• [Ar] 4s2

• [Ar] 4s1 3d1

• [Ar] 3d2

• [Ar] 4s2 3d1

Tags

NGSS.HS-PS1-1

A radio wave has a frequency of 3 x 10⁶ s^-1. What is the wavelength of the radio wave?

• 1 x 10^-1 m

• 1 x 10² m

• 1 x 10^-2 m

• 1 x 10^-3 m

Tags

NGSS.HS-PS4-1

If the wavelength is decreasing on the electromagnetic spectrum, this means the frequency is...

• fluctuating

• staying the same

• decreasing

• increasing

Tags

NGSS.HS-PS4-1

The Lewis structure of AsH₃ shows __________ nonbonding electron pair(s) on As.

• 1
• 3
• 2
• 0