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- 1. Multiple Choice
How many electrons can the first energy level hold?1280 - 2. Multiple ChoiceThe electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is36810
- 3. Multiple ChoiceWhich electron configuration belongs to Chlorine (Cl)?1s2 2s2 2p6 3s2 3p51s2 2s2 2p6 3s2 3p61s2 2s2 2p6 3s2 3p7
- 4. Multiple ChoiceWhat atom matches this electron configuration?
1s22s22p63s23p64s23d10ZincCopperNickelGermanium - 5. Multiple ChoiceWhat electron configuration matches an oxygen atom?1s22s22p63s2, 3p64s23d104p51s22s22p41s22s22p61s22s22p63s23p64s23d1
- 6. Multiple ChoiceHow many electrons can the d sublevel hold?141026
- 7. Multiple ChoiceHow many electrons can the s sublevel hold?141026
- 8. Multiple ChoiceWhat atom matches this electron configuration?
1s22s22p63s2NeonMagnesiumAluminumPotassium - 9. Multiple Choice
Which area on the periodic table represents the electrons in the "d" sublevel?
representative elements
columns 3-8
rare earth elements
transition elements
- 10. Multiple Choice
Each row on the periodic table represents:
an energy level
a sublevel
an electron
an orbital
- 11. Multiple ChoiceWhat's a valence electron?electrons in the second energy levelelectrons in the outermost energy levelthe atomic numberelectrons in the first level
- 12. Multiple ChoiceHow many valence electrons are in Phosphorus?154531
- 13. Multiple ChoiceHow many electrons are in the outer shell of Sodium (Na)?3124
- 14. Multiple ChoiceHow many electrons should Beryllium have around its Lewis dot model?1234
- 15. Multiple ChoiceHow many electrons should Flourine have around its Lewis dot model?5678
- 16. Multiple Choice
This could be the dot diagram of
Mg
Cl
C
O
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