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- 1. Multiple ChoiceAccording to the octet rule most elements need _______ valence electrons.28618
- 2. Multiple ChoiceHydrogen needs _____ electrons in its valence shell to be stable.4682
- 3. Multiple ChoiceThree pairs of electrons are shared in aSingle bondDouble bondTriple bond
- 4. Multiple ChoiceA covalent bond isa bond that shares electrons metallicalyA bond that shares electrons with non metalsMetalloids bondingmetals and nonmetals bonding
- 5. Multiple Choice
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?ABCD - 6. Multiple ChoiceHow many electrons can be used in the Lewis Structure for : NO3 -23201824
- 7. Multiple ChoiceWhat is the correct structure for BF3?Option A.Option B.Option C.Option D.
- 8. Multiple ChoiceHow many valence electrons are available for bonding in the sulfate ion (SO4-2)?30 electrons32 electrons28 electronsimpossible to tell
- 9. Multiple ChoiceHow many valence electrons are in Phosphorus?154531
- 10. Multiple ChoiceHow many electrons does each line indicate are shared?1234
- Answer choicesTagsAnswer choicesTags