Which of the following has the lowest ionization energy?
A) F
B) P
C) Ca
D) Cs
Question 2
Which of the following values reflects the approximate daily use of water by a person in the U.S.?
A) 400 liters/day
B) 40 liters/day
C) 4 liters/day
D) 1 liter/day
E) none of the above