Which element often shares property's a. those in a period b. those in a group c. those with the same color d. those in a horizontal row

What is the maximum number of electrons that an atomic orbital can contain?

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.

Compare and contrast physical changes with chemical changes.