The energy of the sun is converted into usable energy for the cell in the form of _________.
a) ADP
b) ATP
c) CO2
d) glucose
37. The innermost electron shell of an atom holds a maximum of ______ electrons.
a) 2
b) 4
c) 6
d) 8
e) 10
38. The pH of the fluid in your stomach is around pH 2. The fluid is ____________.
a) acidic
b) basic
c) neutral
39. The chemical bond that results in the transfer of electrons is a _______ bond.
a) hydrogen
b) covalent
c) polar
d) ionic
