Imagine you are given a bottle of iodine and are assigned the task of determining some of its physical properties. in three or more sentences, describe how iodine might behave as you test its physical properties.

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

Ineed ! i have no clue how to do this problem.

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.