1. Which of the following compounds is covalent?   NH3   MgCl2   KCl   LiCl   Hint Half-n-half Clue   2. Which of the following forces is the weakest:   Van der Waal forces   Hydrogen Bond   Electrostatic forces   Covalent Bond   Half-n-half Clue   3. Na+ combines with Cl- to form the compound NaCl. The charge on NaCl is   neutral.   negative.   a function of the conditions of formation.   positive.   Half-n-half Clue   4. NaCl is an   Covalent Compound   Magnetic Compound   Hybrid Compound   Ionic Compound   Half-n-half Clue   5. Inert gases do not react with any other element because   their outermost electron level is filled with 8 electrons.   their nucleus is very small.   the temperature is not high enough.   the pressure is not high enough.   Half-n-half Clue   6. High solubility of alcohol in water is due to the formation of   ionic bonds.   paramagnetic bonds.   covalent bonds.   hydrogen bonds.   Half-n-half Clue   7. The shape of a CH4 molecule is   Spherical   Planar   Pyramidal   Tetrahedral   Half-n-half Clue