Which is the most accurate description of metals a. dull and brittle b. non reactive gases c. liquid at room temperature d. good conductors of electricity

Amount of liquid measured in l or lm

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.

Why do oxygen have a strong attractive force for electrons