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- 1. Multiple ChoiceHow many neutrons are in the nucleus of the atom 179F?17987
- 2. Multiple ChoiceAtoms of 235U and 238U differ in structure by three (3)electronsisotopesneutronsprotons
- 3. Multiple ChoiceWhat is the correct configuration for lead?[Rn] 6s2 4f14 5d10 6p2[Xe] 6s2 6d10 6p2[Xe] 6s2 5d10 6p2[Xe] 6s2 4f14 5d10 6p2
- 4. Multiple Choice
The electron configuration of an atom is 1s22s22p6. The total number of electrons in the atom is
3
6
8
10
- 5. Multiple Choice
What is incorrect about this orbital diagram?Both arrows in the 2p box should be pointing upThere is nothing incorrect with this diagramThere should be one electron in the first 2p box and one in the 2nd 2p boxAll the arrows should be pointing up. - 6. Multiple ChoiceThis orbital diagram represents:CBNO
- 7. Multiple ChoiceThis orbital diagram represents:CBNO
- 8. Multiple ChoiceIn an orbital diagram, an arrow represents:an electronan orbitalan element
- 9. Multiple Choice
The maximum number of electrons that can be placed in a single orbital.
2
6
10
14
- 10. Multiple Choice
Which orbital shows a violation of the Pauli Exclusion Principle which states that a maximum of 2 electrons can be in an orbital and they must have opposite spins.
A
B
C
D
- 11. Multiple Choice
Which orbital shows a violation of Hund's Rule which states that electrons try to remain unpaired in orbitals within sublevels when possible
A
B
C
D
- 12. Multiple Choice
The maximum number of electrons allowed in the p sublevel
2
3
6
8
- 13. Multiple ChoiceHow many protons does this isotope of titanium have?48222670
- 14. Multiple Choicewhich atom has 4 neutrons?Li-6Li-7Li-8they have the same # of neutrons
- 15. Multiple ChoiceThe electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is36810
- 16. Multiple ChoiceWhat atom matches this electron configuration?
1s22s22p63s23p64s23d10ZincCopperNickelGermanium - 17. Multiple ChoiceWhat is the noble gas shorthand electron for Sulfur atom?[Ar] 3p4[He] 3s23p4[Ne] 3s23p4[Na] 3s23p4
- 18. Multiple ChoiceWhich electron configuration belongs to Chlorine (Cl)?1s2 2s2 2p6 3s2 3p51s2 2s2 2p6 3s2 3p61s2 2s2 2p6 3s2 3p7
- 19. Multiple Choice
What is the electron configuration Bismuth?
[Xe]6s2 5d10 6p3
[Rn]6s2 4f14 5d10 6p3
[Xe] 6s2 4f14 5d10 6p3
[Xe] 6s2 5f14 6d10 6p3
- 20. Multiple Choice
What is the correct notation for Nobelium?
1s2 2s2 2p6 3s2 3p6 4s2 4p6 4d10 5s2 5p6 5d10 6s2 6p6 6d10 6f14 7s2 7p6 7d10 7f14
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s2 5f14
1s2 2s2 2p6 3s2 3p6 4s2 4d10 4p6 5s2 5d10 5p6 6s2 6d14
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 5d10 6p6 4f14 7s2 6d10 5f14
- 21. Multiple Choice
How many valence electrons does the following contain: [Xe] 6s2 4f14 5d10 6p3
2
3
5
10
- 22. Multiple Choice
Which of the following has 4 valence electrons
Zr
Si
Be
K
- 23. Multiple Choice
What element has 5 energy levels of electrons and 7 valence electrons?
I
Tc
Db
Re
- 24. Multiple Choice
What element has 3 valence electrons in the 4th energy level?
Si
Sc
Y
Ga
- Answer choicesTagsAnswer choicesTags