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- 1. Multiple Choice
Which of the following describes covalent bonds?
Bonds form because of opposite charges
electrons are shared to fill outer electron shells
Electrons are transferred between atoms
Covalent bonds are magical
- 2. Multiple Choice
What molecule is this?COCO2C2OC2O2 - 3. Multiple ChoiceHow many electrons should Nitrogen have around its Lewis dot model?1345
- 4. Multiple ChoiceWhat is ionization energy?Energy needed to destroy an atomEnergy required to remove an electronEnergy needed to split an electronEnergy required to add an electron
- 5. Multiple Choice
For representative elements (Groups 1A - 8A), the number of valence electrons is equal to
the group number
the period number
the atomic number
the group number minus 10
- 6. Multiple ChoiceValence electrons are the...Innermost electronsMiddle electronsOutermost electronsAny electrons
- 7. Multiple Choice
For metals (groups 1-3), its easier to _____ electrons to have a full outer shell.
gain
lose
share
- 8. Multiple Choice
For nonmetals (grousp 5-7), its easier to _____ electrons to have a full outer shell.
gain
lose
share
- 9. Multiple ChoiceIonic bonds form between metals and ____.metalloidsmetalsnonmetals
- 10. Multiple ChoiceWhat is the formula of Sodium oxide?Na2ONaO2Na2O2Na2O
- 11. Multiple ChoiceAn ionic bond is the attraction between:oppositely charged ionssimilarly charged ionsneutral ionsneutral atoms
- 12. Multiple ChoicePhosphorous trichloridePCl3P3ClP3Cl3PCL
- 13. Multiple ChoiceWhat elements generally make a covalent bond?metal and nonmetal2 or more nonmetalsmetalnone of the above
- 14. Multiple Choice
The octet rules states that most elements want to have _____ valence electrons.
2
4
6
8
- 15. Multiple ChoiceElectronegativity is...how good an atom is at attracting electronsthe ability of an atom to lose electronsthe energy required to remove an electron from a specific atomhow easy it is to make friends.
- 16. Multiple ChoiceChlorine and Fluorine are both very electronegative, as they are both missing a single electron from their valence energy level. Why is Fluorine more electronegative than Chlorine?Fluorine has less energy levels.Chlorine has more electrons in its outer shellFluorine has more protons.None of these
- 17. Multiple Choice
Which type of bond has an unequal sharing of electrons between two atoms?
nonpolar covalent
polar covalent
ionic
mettalic
- 18. Multiple ChoiceWhat is the basis of a metallic bond?the attraction of neutral metal atoms.the attraction between protons and neutrons.the attraction between positive metal ions and interlocking electrons.the attraction between positive metal ions and free floating electrons.
- 19. Multiple Choice
Ice has less density as compared to water due to ___________ bonds.
ionic
hydrogen
covalent
metallic
- 20. Multiple Choice
Water molecules tend to make _____________ bonds with each other.
ionic
polar covalent
metallic
hydrogen
- Answer choicesTagsAnswer choicesTags