Electron Configurations

Description

Electron configurations
F Kolias
Quiz by F Kolias, updated more than 1 year ago
F Kolias
Created by F Kolias over 8 years ago
1176
1

Resource summary

Question 1

Question
Which element does this electron configuration depict? 1s2 2s2 2p6 3s2 3p6 4s2 3d7
Answer
  • Ca
  • Co
  • Fe
  • Cl

Question 2

Question
Which element does this electron configuration depict? [Ar] 4s2 3d10 4p5
Answer
  • Br
  • Kr
  • I
  • Xe

Question 3

Question
Which element does this electron configuration depict? 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1
Answer
  • Br
  • Kr
  • Rb
  • Xe

Question 4

Question
Which element does this electron configuration depict? [Rn] 7s2 5f6
Answer
  • Nd
  • Pu
  • Rb
  • Xe

Question 5

Question
Which is the correct full electron configuration for P (phosphorous).
Answer
  • 1s2 2s2 2p3
  • 1s2 2s2 2p6 3s2 3p3
  • 1s2 2s2 2p8 3s2 3p3
  • 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p3

Question 6

Question
What is the correct full electron configuration for Ag (silver)
Answer
  • 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d10
  • 1s2 2s2 2p6 3s2 3p6 4s1 3d10
  • 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d12
  • 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d9

Question 7

Question
Which is the correct short cut electron configuration for Au (gold)
Answer
  • [Kr] 5s2 4d10 5p6 6s2 4f14 5d9
  • [Xe] 6s2 4f14 5d9
  • 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10
  • 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f10 5d10

Question 8

Question
Which is the correct short cut electron configuration for Pb (lead)
Answer
  • [Xe] 6s2 6d10 6p2
  • [Rn] 6s2 4f14 5d10 6p2
  • [Xe] 6s2 4f14 5d10 6p2
  • 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p2

Question 9

Question
Which rule says electrons must occupy lowest energy level first?
Answer
  • Aufbau Rule
  • Hund's Rule
  • Pauli Exclusion Principle

Question 10

Question
Which rule says electrons must have opposite spin when two electrons occupy one orbital?
Answer
  • Aufbau Rule
  • Hund's Rule
  • Pauli Exclusion Principle

Question 11

Question
Electrons will pair up in an orbital after all orbitals in the same sublevel have one electron.
Answer
  • Aufbau Principle
  • Hund's Rule
  • Pauli Exclusion Principle

Question 12

Question
How many unfilled orbitals are in a chlorine atom?
Answer
  • 1
  • 2
  • 3
  • 4

Question 13

Question
How many electrons are in the highest occupied principle energy level of gold (Au).
Answer
  • 2
  • 8
  • 10
  • 14
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