Heavy elements such as aluminum and carbon were formed by which of these phenomena? A. Big bang B. Fusion in very large star C. Fusion in small star D. Supernova

Sound waves entering the ear first strike the. hammer, anvil, eardrum, cochlea

As kinetic energy of a molecule increases, will the temperature increase, stay the same, or decrease?

Why is it useful to model systems that use energy?

What conclusion did Rutherford draw from his gold-foil experiment? A. Almost all the mass of an atom is concentrated in the nucleus. B. Atoms contain three different subatomic particles. C. Electrons are tiny particles that carry a negative charge.

Particles are arranged in a crystal structure in a sample of: a) H2 (g) b) Br2 (L) c) Ar (g) d) Ag (s)

Whats the difference between china and Europe

Iodine pentafluoride gas reacts with iodine fluoride gas producing iodine heptafluoride gas and iodine gas. What is the maximum number of grams of iodine gas that can be produced from a reaction of 10.0 g of iodine pentafluoride with 11.

What evidence of a chemical reaction might you see in dropping an Alka-Seltzer tablet into a glass of water?

State hess's law. how is it used

When the name of a molecule ends in - ose, the molecule is a