There are 2 grams of sulfur and 0.45 grams of copper. What is the percent composition of coppper in the sample.
A. 18.3 %
B. 5.44 %
C. 81.6 %
D. 1.25%

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

Using the periodic table, complete the table to describe each atom. type in your answers

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide