Compared to the mass of an so2 molecule, the mass of an o2 molecule is (1) One fourth as great
(2) One half as great
(3) the same
(4) twice as great

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.

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

How have the greenhouse gasses increased from the year 2000 to 2018