Unit 4 Test review

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

What is the frequency of a photon whose energy is 3.4x10^-19J?

• 8.8x10²⁶ Hz
• 5.1x10¹⁴ Hz
• 1.9x10^-15 Hz
• 2.3x10^-52 Hz

Tags

NGSS.HS-PS4-1

The maximum number of electrons that can be placed in an p orbital.  

• 2
• 6
• 10
• 14

What noble gas should be used to write the shorthand configuration for Te?

• Ar
• Kr
• Xe
• Sb

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is true?

• An atomic orbital can only hold a maximum of 2 electrons, each with opposite spins

• An atomic orbital can hold a minimum of 6 electrons, each with opposite spins

• An atomic orbital can hold a maximum of 6 electrons, each with the same spin

• An atomic orbital can hold a minimum of 2 electrons, each with opposite spins

What orbital is shown in the picture?

• s
• p
• d
• f

write the abbreviated electron config for Strontium?

• [Kr] 3s2

• [Kr] 4s2

• [Kr] 5s2

• [Ar] 5s2

The electron configuration of an atom is 1s²2s²2p⁶3s²3p² The number of valence electrons in the atom is

• 2

• 4

• 8

• 10

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

How many electrons can an f sublevel hold?

• 2

• 6

• 10

• 14