What would a compound whose molecules contain one boron atom and three fluorine atoms be named?

You are exploring in a cave and call out to one of your friends. You hear your echo. Which interaction of sound (reflection, refraction or absorption) caused the echo and how did the sound waves move?

Most reactions give off energy in the form of heat and are called

What is the main difference between physical changes and chemical changes

Calculate the number of grams of hcl that can react with 0.470 g of al (oh) 3.

How many hydrogen bonds can CH3NH2 make to water?

Why the water drops were difficult to split apart but easy to join together?

How many grams of KO2 are needed to form 8.0 g of O2?

How many micrograms are in 2.45x10^3 grams?

What is the best definition of matter

Evidence related to which of the following earlier ideas led to the modern theory of plate tectonics? A continental drift and seafloor spreading B the Big Bang theory and natural selection C seafloor spreading and atomic theory D biological