Yoshi divided the mass of a rubber stopper by its volume. Using this calculation, Yoshi found the of the stopper
A
force
B
density
С.
weight
D
buoyancy

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.