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- 1. Multiple ChoicePositive ions form when atoms _________ valence electrons.losegainsharegain or share
- 2. Multiple Choice
How many protons are in this element?79196117Cannot be determined - 3. Multiple ChoiceValence electrons are:Electrons farthest away from the nucleusElectrons closest to the nucleusElectrons that just come and go - they don't stay with the atom
- 4. Multiple ChoiceWhat do these isotopes of carbon all have in common?neutrons & mass numberatomic number and neutronsatomic number and electronsprotons, atomic number, and mass number
- 5. Multiple ChoiceWhat is the definition of isotope?atoms of an element with different numbers of neutrons.materials break down over time at a very consistent rate
- 6. Multiple ChoiceWhat are the names of the horizontal rows on the periodic table?The periodsThe GroupsThe Non-MetalsIonization Energies
- 7. Multiple Choice
How many neutrons are in an atom of carbon-14?
6
8
10
14
- 8. Multiple Choice
How many electrons are in an atom that has an atomic number of 34, an atomic mass of 74 and a charge of -2?
2
34
36
40
- 9. Multiple ChoiceWhat is the name of the pictured isotope?Carbon-12Carbon-13Carbon-14Carbon-15
- 10. Multiple ChoiceAgFsilver fluoridesilver fluorinemonosilver monofluoridesilver monofluorine
- 11. Multiple ChoiceWhich of the following is NOT an ionic compound:CaONaOHBaCl2Br2
- 12. Multiple ChoiceHow do the following two elements bond together?
Al3+ O2-AlOAl2O3Al3O6Al3O2 - 13. Multiple ChoiceWhat is the correct formula for the compound, lithium oxide?LiOLi2OLiO2Li2O2
- 14. Multiple ChoiceWhat is the formula for aluminum fluoride?AlFAl2F3AlF3Al3F2
- Answer choicesTagsAnswer choicesTags