Final Exam Prep S22: 2.1.A.1 Electron Configuration and PES

The PES spectrum below is for the element _______________.

• O

• Ne

• N

• F

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which peak (or peaks) correspond to valence electrons?

• The peak at 0.8

• The peaks at 0.8 and 1.36

• The peak at 19.3

• The peaks at 19.3 and 1.36

Tags

NGSS.HS-PS1-1

How many valence electrons does the element pictured in the PES spectrum below have?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which peak (or peaks) correspond to the valence electrons?

• The peak at 1

• The peaks at 1 and 2.05

• The peak at 239

• The peaks at 239 and 22.7

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of these elements would have the same number of PES peaks as Fluorine?

• Neon

• Beryllium

• Sodium

• Chlorine

Tags

NGSS.HS-PS1-1

How many peaks would be expected for a PES spectum for Calcium?

• 2

• 3

• 4

• 5

Tags

NGSS.HS-PS1-1

What is the electron configuration for this PES graph?

• 1s²2s²2p⁶3s²3p²

• 1s²2s²2p⁶3s²3p¹

• 1s²2s²2p⁶3s²3p³

• 1s²2s²2p⁶3s²

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following elements is a transition metal?

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶
• 1s² 2s² 2p⁶ 3s² 3p⁶ 
• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 
• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁴

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Refer to the photoelectron spectrum of neon shown below to answer the question.

Peaks A, B, and C represent the binding energies of electrons in which subshells of neon?

• 1s, 2s, 2p

• 2p, 2s, 1s

• 1s, 1s, 1s

• 2s, 2p, 2p

Tags

NGSS.HS-PS1-1

Nitrogen shows 3 peaks in its photoelectron spectrum. These 3 peaks correspond to the binding energies of nitrogen's 1s, 2s, and 2p electrons. The relative heights of the 1s, 2s, and 2p peaks in the PES spectrum of nitrogen will be:

• 1, 1, 1

• 2, 2, 3

• 1, 1, 2

• 2, 2, 5