Which electron dot diagram represents H2?

What happens when an acid dissolves?

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?