An atom whose valence electron shell is nearly full is chemically reactive.
a. not
b. mildly
c. highly
d. the name of the element is needed to figure this out.

An atom whose valence electron shell is nearly full is highly reactive, if the atom requires only 1 and or 2 electrons to complete its octet and or have 8 valence electrons in its electron shell.

True, the standard unit for volume is liters which can be represented by either a lower case "l" or a capital "l"