What was one main point of dalton's atomic theory?
a. that atoms were made up of positive and negative charges
b. that atoms made up the smallest form of matter
c. that atoms changed as they formed compounds
d. that atoms had a nucleus at the center

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

One does not belong why? ice, gold ,wood ,diamond and table salt