Which element or ion would you predict to have the larger radius? Why? a) Li or Li+
b) Al3+ or Na1+
c) S or S2-
d) O2- or Se2

What is the subscript for oxygen in its molecular formula

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

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?