How many atoms are in 27.0 grams of aluminum (Al)?
a. 1.50 X 1023 atoms
b. 2.01 X 1023 atoms
c. 3.01 X 1023 atoms
d. 6.02 X 1023 atoms
e. none

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

Iam hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?