Why does air not have a definite formula?

Fusion: A. requires high temperatures B. occurs in the sun and other stars C. creates less radioactive waste than fission D. all of the above

What would happen if one element in the periodic table was misplaced?

What is the Molar mass for a compound containing 2 carbons, 6 hydrogens, and 1 oxygen?

Hypothermic body temperature can range from 28.7 °C to 35.5 °C. What is this range in degrees Fahrenheit?

Does it take more energy to heat the water to 100°C or to boil it?

Why does a soccer ball stop rolling in a soccer game which newton law shows that?

What is the name of the compound PbS2 • 4H2O?

Why doesn't gravity pull water all the way to the center of the Earth?

What is centrifugation? Which substance is separated by this method?

All of the elements in a family or group have similar chemical properties. which of the following statements best explains why this is true? a. the elements in a group have the same number of protons in their nuclei. b.