Have an account?
Skip to Content
Build your own quiz
Suggestions for you
Chemistry
9th -
11thgrade
Quantum Chemistry & Electron Configurations
20 questions
Show Answers
See Preview
- 1. Multiple ChoiceWhat is the total number of energy levels used by an atom of aluminum
(Al, atomic #13) in the ground state?37130 - 2. Multiple Choice
How many orbitals are available to hold electrons in the 6th energy level (n=6)?
9
16
26
36
- 3. Multiple ChoiceThis "rule" of Quantum Chemistry states that it is impossible to know both the position and velocity of an electron at the same time.Hund's RuleHeisenberg Uncertainty PrincipleAufbau PrinciplePauli Exclusion Principle
- 4. Multiple ChoiceAccording to the Aufbau Principle, which sublevel should starting filling with electrons after 5s?6s5p4d3f
- 5. Multiple ChoiceIdentify the following element:
1s22s22p63s23p64s23d10nickelcopperzincgallium - 6. Multiple ChoiceThe second energy level (n=2) contains a total of 5 electrons...how many more electrons can fit in the 2nd energy level?0357
- 7. Multiple ChoiceIdentify the element whose electron configurations ends with 5p3AsTeSbSn
- 8. Multiple ChoiceWhich of the following statements is true about the 3s and the 4s sublevels?These sublevels have the same energyThese sublevels are the same distance from the nucleusThese sublevels hold different amounts of electronsThese sublevels have the same shape
- 9. Multiple ChoiceHow many sublevels are possible on the 4th and 5th energy levels (n= 4 & 5)?824195
- 10. Multiple ChoiceWhich of the following quantum number sets is not allowed?{ 3, 2, +1, -1/2 }{ 5, 3, -1, +1/2 }{ 12, 1, +2, +1/2 }{ 7, 6, -5, -1/2 }
- 11. Multiple ChoiceThis "rule" of Quantum Chemistry states that no 2 electrons in an atom can be in the exact same state...each electron in an atom can be described by a unique set of quantum numbers.Hund's RuleHeisenberg Uncertainty PrincipleAufbau PrinciplePauli Exclusion Principle
- 12. Multiple ChoiceAccording to the Aufbau Principle, which sublevel should starting filling with electrons before the 3p sublevel?3s2p4s4p
- 13. Multiple ChoiceHow many valence electrons are in an atom of sulfur?2468
- 14. Multiple ChoiceHow many unpaired electrons are in an atom of strontium? (atomic number 38)0123
- 15. Multiple ChoiceHow many unpaired electrons are in an atom of germanium? (atomic #32)2345
- 16. Multiple Choice
The answer to this question equals the number of total electrons in scandium divided by the number of valence electrons in chlorine
2
3
2/7
2/17
- 17. Multiple ChoiceI am an element in the 3rd row of the periodic table...I have one unpaired electron in my last sublevel...I have 3 valence electrons...who am I?NaAlClAr
- 18. Multiple ChoiceI am an element in the 5th row of the periodic table...I have 2 valence electrons and 2 unpaired electrons...my average atomic mass is greater than 100 amu...who am I?SrZrPdSn
- 19. Multiple Choice
Take the number of valence electrons in iron and multiply it times the number of core electrons in chlorine
8
10
20
34
- 20. Multiple Choice
What would be the atomic number of the atom that would fill the 8s sublevel.....(hint: it comes after 7p!)
118
119
120
121
- Answer choicesTagsAnswer choicesTags