How many hydrogen atoms are in 2.30 mol of ammonium sulfide

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.

How are isotopes of the same chemical element alike? how are they different?

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid