A compound was found to be comprised of 36.763% iron, 21.108% sulfur and 42.128% oxygen by mass. What is its empirical formula?

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.

Idon't really understand this can you me and show your work.☺☺[ chemistry b] subject [ electron transfer in lonic bonds]grade( 12)

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery