What is an empirical formula?
O
A. The chemical formula that reveals how the molecule actually
exists in nature
O
B. The chemical formula that is written in terms of percent
composition
O
C. The chemical formula that shows how the atoms are connected to
each other
O
D. The chemical formula in which the subscripts are given in the
smallest ratio

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products

How can nonpolar molecule contain polar covalent bonds