In an experiment, ann mixes concentrated sulfuric acid with water in a reaction test tube. the walls of the test tube turn hot. what type of reaction has occurred?

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

1 is the answer to this problem