(Q).
Q: What do you call pure substances with unique properties? Choices: - structures - arrangements - originals - elements A:
(A).
elements

(Q).
Q: The coordination sphere consists of the central metal ion or atom plus its attached what? Choices: - subunits - strands - molecules - ligands A:
(A).
ligands

(Q).
Q: What is the study of chemical processes that occur in living things? Choices: - phrenology - physiology - cardiology - biochemistry A:
(A).
biochemistry