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AP Chem 90 Online
OpenStudy (anonymous):

Which of the following does NOT have to have an octet of valence electrons to be stable? a) F b) Na c) Cl d) Fe 4. _____ An element with the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 will ionize to form a _____. a) Anion b) Cation c) Neutral atom d) None of the above The salts NaCl (solid) and CaCl2 (solid) are a) good conductors of electricity b) positively charged c) held together by ionic bonds d) All of the above 10. _____ NH4 + is known as a(n) __________________. a) monatomic cation b) monatomic anion c) polyatomic cation d) polyatomic anion

OpenStudy (cuanchi):

d) Fe b) Cation c) held together by ionic bonds c) polyatomic cation

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