Imagine that a and b are cations and x, y, and z are anions, and that the following reactions occur:
ax(aq)+by(aq)→no precipitate
ax(aq)+bz(aq)→precipitate
which of the following choices is insoluble?
a. ax
b. ay
c. az
d. bx
e. by
f. bz

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error