What is the the atomic number for oxygen

How many different sublevels are in the third energy level?

Determine the volume of hexane that contains 5.33 * 1022 molecules of hexane. The density of hexane is 0.6548 g/ml and its molar mass is 86.17 g/mol.

Which of the following have a neutral charge? A) proton B) neutron C) electron D) plasma

The amount of matter in an object is a measure of its

The average time it takes for a molecule to diffuse a distance of x cm is given by t=x^2/2D where t is the time in seconds and D is the diffusion coefficient. Given that the diffusion coefficient of glucose is 5.

Describe what occurs when a gas is collected by water displacement, including why a table of water vapor pressure values is needed.

The theory of plate tectonics

A sample of sodium reacts completely with 0.568 kg of chlorine, forming 936 g of sodium chloride. What mass of sodium reacted?

When do water molecule forms hydrogen bond with another water molecule which atoms are involved in the interation?

How are natural polymers and synthetic polymers similar? A) Both are made up of phosphates and organic bases B) Both serve important roles in producing amino acids C) Both are made up of monomers that are linked by covalent bonds