You have been asked to name two compounds: Ca3(PO4)2 and Cr3(PO4)2. What is the most important difference to note when naming them?

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.

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3