17. Choose the compound below that should have the lowest melting point according to the ionic bonding model. (A) LiF (B) NaCl (C) CsI (D) KBr

4. Which of the following does NOT describe a nonmetal? (A) Tend to gain electrons (B) Found in the upper right hand corner of the periodic table (C) Poor conductor of electricity (D) Nonmetals are generally unreactive.