Your silver watchband has a mass of 326 g. How many moles of Ag do you have?

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

Name the element in group 17, period 2. (periodic table)

Nonpoint source pollution is difficult to control because it