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- 1. Multiple Choice
Elements in the first column of the periodic table are known as "Alkali Metals." These elements, when ionized, have in common:oxidation number of 1-oxidation number 1+oxidation number 2-oxidation number 2+ - 2. Multiple ChoiceAtoms with the same atomic number but different atomic mass are called:protypessubtypesisotopesions
- 3. Multiple ChoiceThe periodic table notation for nitrogen "N" is shown below. An atom of nitrogen has how many electrons?78914
- 4. Multiple ChoiceUse the diagram of the periodic table below to answer the following questions. What group has two valence electrons in the outermost energy level2131619
- 5. Multiple ChoiceHow many energy levels are "filled" in a Krypton atom?3456
- 6. Multiple ChoiceSodium forms an ionic bond with chlorine when sodium _______ an electron and Chlorine ______ an electron.shares, sharesloses, gainsgains, losesloses, loses
- 7. Multiple ChoiceWhich of the following substances is a base?VinegarAmmonialemon juiceDistilled water
- 8. Multiple ChoiceIn the periodic table notation below, what information does the number 40.078 tell you.# of protons# of neutronsAtomic numberAtomic mass
- 9. Multiple ChoiceElements in the same column on the periodic table have similar chemical reactivity because:They contain similar amounts of energy levelsthey have the same number of valence shell electronsatoms prefer to have completely full or completely empty valence shellsthey have similar numbers of isotopes
- 10. Multiple ChoiceThe noble gases, such as helium "He" and xenon "Xe", are non-reactive because:They have completely filled their outer electron shellsthey are chemically unstablethey are unusually large atoms.they have been around longest on the Earth
- 11. Multiple ChoiceAn Atom contains _______________ in various energy levels.neutronsprotonselectronsions
- 12. Multiple ChoiceWhich of the following pH values is the most acidic?13514
- 13. Multiple ChoiceElements in the same column on the periodic table have similar chemical re-activity because:They contain similar amounts of energy levelsthey have the same number of valence shell electronsatoms prefer to have completely full or completely empty valence shellsthey have similar numbers of isotopes
- 14. Multiple ChoiceThe ________ is one kind of particle that makes up the atom and carries a positive charge. The neutron makes up for "missing mass" and is found in the nucleus. The third subatomic particle carries a ___________ charge and has almost no mass.electron, negativeproton, negativeproton, neutralproton, positive
- 15. Multiple ChoiceWhen two element combine and share an electron, Sharing of electrons is what type of bond.ioniccovalenttransitionalhydroblast
- 16. Multiple ChoiceWhen two elements combine and one element transfer all of it valence electron to the other element, this type of bond is known as:ioniccovalenttransitionalhydroblast
- 17. Multiple ChoiceTitration of a base to acid, determines....the concentration of a acid to a basepH of the acidpH of the basethe chemical formula for the acid and base
- 18. Multiple ChoiceA hypothesis is a _______:LawTheoryControlPossible solution
- 19. Multiple ChoiceHypothesis must be testable.TrueFalse
- 20. Multiple ChoiceWhich of the following is a testable hypothesisThe car is a mustangThe mustang is black with white stripesThe car will not startThere is a mustang symbol in the front of the grill
- 21. Multiple ChoiceWhich equipment would you use to measure a block of wood?graduated cylinerbeakerbalance beam/scaletest tube
- 22. Multiple ChoiceWhich equipment would you use to measure a precisely 50 mLbeakertest tubebalance beam/scalegraduated cylinder
- 23. Multiple ChoiceName the above element.BoronNitrogenoxygenCarbon
- 24. Multiple ChoiceHow many electrons does the above element have?4567
- 25. Multiple ChoiceHow many neutrons does the above element have?4567
- 26. Multiple ChoiceA problem is usually posed in the form of a_______:MethodQuestionExperimentData
- 27. Multiple ChoiceA common isotope of Carbon "C" has a mass number of 13. The total number of subatomic particles in the nucleus would be1319126
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