Atomic Radius: Complete the following: #of Atomic A) Which element has the smaller atomic radius?
Element
Protons Radius
B) Why do you think this element has a smaller radius? (how
Be
4
153
does the number of protons affect atomic radius?)
F
147
lonization Energy: Complete the following:
Atomic
Element
1st lonization A) Which element has the smaller 1st ionization energy?
Radius Energy B) Why do you think this element has a smaller 1st ionization
He
energy? (how does atomic radius affect 1st ionization energy?)
Kr
Electronegativity: Complete the following:
# of
Element
Electroneg- A) Which element has the larger electronegativity?
Protons ativity
B) Why do you think this element has a larger electronegativity?
(how does # of protons affect electronegativity?)
Ga

You mix the pks of succinic acid are 4.21 and 5.64. how many gramsa graduate student at sdsu wants to measure the activity of a particular enzyme at ph 4.0. to buffer her reaction, she will use a buffer system based on one of the acids listed below, which acid is most appropriate for the experiment? of monosodium succinate (fw = 140 g/mol) and disodium succinate (fw = 162 g/mol) must be added to 1 l of water to produce a solution with a ph 5.28 and a total solute concentration of 100 mm? (assume the total volume remains 1 liter, answer in grams monosodium succinate, grams disodium succinate, respectively.) volumes of 0.05 m nah2po4 and 0.05 m na2hpo4 (pk's for phosphoric acid are 2.15, 6.82 and 12.38). which of the following best describes the resulting solution?