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Chemistry
8th -
12thgrade
Periodic Table, Bohr Models and Electron Dot Diagrams
25 questions
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- 1. Multiple ChoiceWhat element is this?HeliumHydrogenArgonSilver
- 2. Multiple ChoiceHow many total electrons does Si contain? (click to see image)142840
- 3. Multiple Choice
How many total electrons does an ion of potassium K+ contain? (click to see image)
18
20
18
40
- 4. Multiple ChoiceWhat element is represented in this Bohr Model?CarbonHydrogenAluminumLithium
- 5. Multiple ChoiceWhat are valence electrons?electrons in the second energy levelelectrons in the outermost energy levelall electronselectrons in the first level
- 6. Multiple ChoiceHow many valence electrons are in Phosphorus?154531
- 7. Multiple ChoiceHow many electrons are in the outer shell of Sodium (Na)?3124
- 8. Multiple ChoiceWhat element?BoronCarbonNitrogenLithium
- 9. Multiple ChoiceWhat element?LithiumBoronCarbonNeon
- 10. Multiple ChoiceWhat element?BerylliumBoronBariumBromine
- 11. Multiple Choice
How many electrons should an ion of Fluorine F- have around its electron dot model?
6
7
8
1
- 12. Multiple ChoiceHow many electrons should Boron have around its electron dot model?1235
- 13. Multiple ChoiceHow many electrons should Beryllium have around its electron dot model?1234
- 14. Multiple ChoiceHow many electrons should Nitrogen have around its electron dot model?1345
- 15. Multiple ChoiceHow many electrons should Magnesium have around its electron dot model?1234
- 16. Multiple ChoiceHow many electrons should Chlorine have around its electron dot model?5678
- 17. Multiple Choice
atoms of the same element will always have the same number of
neutrons
protons
isotopes
electrons
- 18. Multiple ChoiceHow are electrons arranged in an atom?In groups of eightIn energy levelsBy colorBy shape
- 19. Multiple ChoiceCarbon has the same number of valence electrons asNitrogenSiliconBoronThe number of valence electrons is unique to Carbon
- 20. Multiple ChoiceTrue or false: A neutral atom can have an empty valence shell with 0 valence electrons.FalseTrue
- 21. Multiple ChoiceTrue or false: An atom can have less than 8 valence electrons and still have a full valence.TrueFalse
- 22. Multiple ChoiceHow can we calculate the number of electrons in a neutral atom?Use the number of protonsUse the number of neutronsUse the average atomic massUse the mass number
- 23. Multiple ChoiceWhat is the valence number for the last column in the periodic table (all the way to the right)28Depends on the element, but the valence will always be full0
- 24. Multiple ChoiceHow can you find the valence electrons if you don't have the column's valence number memorized?Draw a Bohr ModelGive up and cry
- 25. Multiple ChoiceYou should always have this handy when working on Bohr Model and electron dot diagram problems on homeworks/quizzes/tests..The periodic tableGoogle
- Answer choicesTagsAnswer choicesTags