The property defined as the energy released on adding an electron to an isolated gas phase atom is
A) atomic number.
B) electron affinity.
C) electronegativity.
D) ionization energy.
E) none of the above
Question 2
Which factor is not important in explaining how enzymes work?
A) Two different substrate molecules are brought into close contact.
B) Substrates are brought into solution more easily.
C) The bonds in substrates are subjected to strains which weaken them.
D) Substrates are forced into the correct orientation for interaction.
E) Substrates are placed near acidic or basic sites.
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