1. In an ionic bond, the two elements   share electrons.   exchange electrons.   polarize electrons.   borrow electrons.   Hint Half-n-half Clue   2. The shape of a CH4 molecule is   Planar   Tetrahedral   Spherical   Pyramidal   Half-n-half Clue   3. Two or more atoms combine to form   a cation.   an anion.   a molecule.   an ion.   Half-n-half Clue   4. A chemical bond formed by sharing of electrons is a   covalent bond.   ionic bond.   polyatomic bond.   electrostatic bond.   Half-n-half Clue   5. How many electrons are required in the outermost shell of an element for it to be stable?   2   8   6   4   Half-n-half Clue   6. Inert gases do not react with any other element because   the pressure is not high enough.   the temperature is not high enough.   their nucleus is very small.   their outermost electron level is filled with 8 electrons.   Half-n-half Clue   7. 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