Can someone help me with this plz??

Calcium chloride +gold(1) oxide—>

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added