An oxygen atom has 8 protons. What number of neutrons would make an oxygen atom most stable?

A. 10
B. 6
C. 12
D. 8

150.0 grams of asf3 were reacted with 180.0 g of ccl4 to produce ascl3 and ccl2f2. if the actual yield of ccl2f2 was 127 g, what is the percent yield?

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?