1. In an ionic bond, the two elements   polarize electrons.   share electrons.   exchange electrons.   borrow electrons.   Hint Half-n-half Clue   2. Ionic compounds are usually   soluble in aldehydes.   soluble in ethers.   soluble in water.   soluble in alcohols.   Half-n-half Clue   3. An atom which gains an electron forms   a hydrogen bond.   a covalent bond.   a cation.   an anion.   Half-n-half Clue   4. The aim of bonding is to attain   the nearest noble gas structure.   lower stability.   higher charge.   higher potential energy.   Half-n-half Clue   5. Inert gases do not react with any other element because   the pressure is not high enough.   the temperature is not high enough.   their outermost electron level is filled with 8 electrons.   their nucleus is very small.   Half-n-half Clue   6. Na+ combines with Cl- to form the compound NaCl. The charge on NaCl is   negative.   a function of the conditions of formation.   neutral.   positive.   Half-n-half Clue   7. Which of the following compounds is covalent?   MgCl2   NH3   KCl   LiCl   Half-n-half Clue