Which of the following statements about free radicals is true? a. free radicals form ionic bonds with other ions. b. free radicals result from broken covalent bonds. c. free radicals usually break apart to form smaller components. d. free radicals bind molecules together.

What are the spectator ions in 2h+ + so42- + ca2+ + 2r → caso4 + 2h+ + 21?

Compared with the freezing-point depression of a 0.01 m c6h12o6 solution, the freezing-point depression of a 0.01 m nacl solution is

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.