Answer:
To tell if something is an acid or a base, you can use a chemical called an indicator. An indicator changes color when it encounters an acid or base. There are many different types of indicators, some that are liquids and others that are concentrated on little strips of "litmus" paper.
Explanation:
We will need to see what the picture looks like post the picture of the molecule
A bromine atom in the excited state could have an electron configuration of 4.
The valence electrons are excited, and therefore are reactive.
