What do you call an atom that has different numbers of protons and neutrons?

Which of the following correctly explains the role of enzymes in biochemical reactions? A) Enzymes provide energy in the form of ATP to lower the activation energy needed for the reaction.

What does H2O mean? What two chemical do you mix to make an exsplosion

What is Atomic mass A: the mass of the atom based on the mass of an atom of oxygen-16 B: the mass of an atom based on the mass of an atom of carbon-12 c: the average mass of all isotopes d: the mass of the atom based on the mass of an atom of

Fe2O3 + Al = Al2O3 + Fe what is the maximum amount of Fe produced?

What is the coating, marked by arrows in the diagram shown, at the ends of the leg bones? White blood cells Rock Marrow Cartilage

What is earths water called

What volume of product is produced when 20.0 Mg of liquid hydrogen reacts with excess liquid oxygen in a rocket propellant reaction? Gas is formed 101.3 to 5 kPa and 40.0 °C

Where the use of energy is concerned (in scientific sense), when is work done?

Which two objects would experience the greatest gravitational force between them?

Does a solution have to involve a liquid? explain.