Which of the following is true about an ionic compound?
a. it is salt.
b. it is held together by ionic bonds.
c. it is composed of anions and cations.
d. all of the above

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.