Each square of the periodic table shows information about one element. the square usually shows the element's
a. atomic number
b. symbol
c. atomic mass
d. all of these

Given sno2 + 2h2 - sn + 2h20 tin oxide reacts with hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grams of sn?

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?