The information below describes a redox reaction. Ag (aq) + Al(s) Ag(s) + A13+ (aq)
Ag+ (aq) + --Ag(s)
Al(s)—A3+
(aq) + 3e
What is the coefficient of silver in the final, balanced equation for this reaction?

your picture is not part of the scientific method.

the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.

i think so it’s will be b yes i believe its

the atomic number will stay the same no matter how many electrons it has, so it doesn’t decrease nor increase. it’ll only change with a different number of protons