1. Two or more atoms combine to form   a cation.   an ion.   an anion.   a molecule.   Hint Half-n-half Clue   2. An atom which loses an electron forms   a cation.   an anion.   a polymer.   a covalent bond.   Half-n-half Clue   3. 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   4. The shape of a CH4 molecule is   Pyramidal   Tetrahedral   Spherical   Planar   Half-n-half Clue   5. In an ionic bond, the two elements   borrow electrons.   exchange electrons.   polarize electrons.   share electrons.   Half-n-half Clue   6. Ionic compounds are usually   soluble in ethers.   soluble in water.   soluble in alcohols.   soluble in aldehydes.   Half-n-half Clue   7. The name of the compound with the formula KCl is   Chlorate Potassium   Chloride Potassium   Potassium Chloride   Potassium Chlorate   Half-n-half Clue