What is the percent composition of the following
*KBr
*LiOH
*Mgl2
*Al2(SO4)3

If a planet rotates 360 degrees during a 24 hour time period, what does that tell us about the planet? a. the middle of the planet is in darkness b. the seasons on the planet vary every day. c. the planet runs on a 12-hour time clock. d. the temperature on the planet varies daily.

What state of matter is ice a. liquid b. element c. solid d. gas

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?