1. How many electrons are required in the outermost shell of an element for it to be stable?   2   6   8   4   Hint Half-n-half Clue   2. The aim of bonding is to attain   lower stability.   higher charge.   higher potential energy.   the nearest noble gas structure.   Half-n-half Clue   3. Ionic compounds are usually   soluble in ethers.   soluble in alcohols.   soluble in aldehydes.   soluble in water.   Half-n-half Clue   4. Which of the following compounds is ionic?   HCl   H2O   NaCl   CH4   Half-n-half Clue   5. NaCl is an   Covalent Compound   Ionic Compound   Hybrid Compound   Magnetic Compound   Half-n-half Clue   6. Which of the following compounds is covalent?   MgCl2   LiCl   KCl   NH3   Half-n-half Clue   7. Inert gases do not react with any other element because   their outermost electron level is filled with 8 electrons.   the pressure is not high enough.   their nucleus is very small.   the temperature is not high enough.   Half-n-half Clue