Which element would need to be removed from the molecule in Figure 6-5 to make it unsaturated? Answers:
a. carbon
b. oxygen
c. hydrogen
d. phosphorus

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons