1. to become stable, the following element:
a) gains 1 electron and has a charge +1
b) loses 7 electrons and has a charge -1
c) loses 7 electrons and has a charge +1
d) gains 1 electron and has a -1 charge

"hydrogen bonding is the attraction of h atoms in the water molecule (slight + charge) to o atoms in a neighboring water molecule (slight - charge); it is a weak interatomic force. but it is still strong enough to the water molecules "stick" together."

there is none because earth is stationary and flat.