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- 1. Multiple Choice
What are valence electrons?
The innermost electrons
The outermost electrons
- 2. Multiple Choice
This is a correct dot diagram for fluorine (F)truefalse - 3. Multiple ChoiceHydrogen needs _____ electrons in its valence shell to be stable.4682
- 4. Multiple ChoiceAccording to the octet rule most elements need _______ valence electrons.28618
- 5. Multiple Choice
What is the correct Lewis Dot Structure for ammonia NH3
- 6. Multiple Choice
Which is the correct Lewis structure for carbon dioxide?
- 7. Multiple Choice
How many total electrons are participating in bonding in the molecule CH2O?
8
4
2
3
- 8. Multiple ChoiceA lone pair is defined asA pair of bonding electronsOne non-bonding electronA pair of non-bonding electronsA pair of electrons on the central atom
- 9. Multiple Choice
NH3 has how many lone pairs?
0
1
2
3
- 10. Multiple Choice
Choose the correct shape for this molecule:
Trigonal planar
Trigonal pyramidal
Bent
Tetrahedral
- 11. Multiple Choice
Which of the following best explain how to determine the shape of the molecule above?
there are 3 atoms bonded to the central atom and 2 lone pairs
there are single bonds
there are 3 atoms bonded to the central atom and 0 lone pairs of electrons on the central atom
- 12. Multiple Choice
What geometry will this molecular structure have?: PH3
bent
tetrahedral
trigonal planar
trigonal pyramidal
- 13. Multiple Choice
What is the molecular shape of H2S?
linear
trigonal planar
bent
tetrahedral
- 14. Multiple ChoiceA binary covalent bond exists between2 metals1 metal and 1 nonmetal2 nonmetalsAny 2 elements
- 15. Multiple ChoiceWhat is the name of the following compound?
S6O3sulfurehexa trioxidehexasulfur trioxidehexasulfide trioxidetrioxygen hexasulfide - 16. Multiple Choice
P2O5
Phosphorus Oxide
Pentaphosphorus Dioxide
Diphosphorous pentoxide
Phosphoric Oxygen
- 17. Multiple Choice
Dihydrogen monosulfide?
H2S
HS2
HS
H2S2
- Answer choicesTagsAnswer choicesTags