Structure 1.3 Review

Which is correct for the following regions of the electromagnetic spectrum?

• UV = high energy, short wavelength

  IR = low energy, low frequency

• UV = high energy, low frequency

  IR = low energy, long wavelength

• UV = high frequency, short wavelength

  IR = high energy, long wavelength

• UV = high frequency, long wavelength

  IR = low frequency, low energy

Tags

NGSS.HS-PS4-1

What is the maximum number of electrons in the 4p subshell?

• 6

• 10

• 2

• 8

What is the electron configuration of this orbital diagram?

• 1s²2s²2p³

• 1s²2p³2s²

• 1s²2s³2p²

• 1s²2s²3s³

Tags

NGSS.HS-PS1-1

An electron transition between energy levels n = 4 and n = 2 in an isolated atom produces a line in the visible spectrum. Which electron transition in the same atom is likely to produce a line in the UV spectrum?

• from n = 4 to n = 1

• from n = 4 to n = 3

• from n = 3 to n = 2

• from n = 5 to n = 3

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

What is the maximum possible number of electrons in the third energy level?

• 3

• 6

• 9

• 18

What is the electron configuration of chromium [Z = 24] in the ground state?

• [Ar]3d⁷

• [Ar]4s²3d⁴

• [Ar]4s¹3d⁵

• [Ar]4s¹4p⁵

Tags

NGSS.HS-PS1-1

Which of the following is correct?

• IE₃ > IE₄

• Molar ionization energies are measured in kJ

• The third ionization energy of the atom X represents the process:

  X²⁺(g) → X³⁺(g) + e^-

• Ionization energies decrease across a period going from left to right

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following subshells contains the highest energy?

• 2s

• 2p

• 2d

• 3d

What is the term for the region where there is the highest probability of finding an electron?

• orbital

• nucleus

• orbital diagram

• orbit

Which of the following is the correct orbital diagram for Carbon?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1