What is formed when 2 or more atoms are held together by covalent bonds?

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

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.

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5