What is an orbital?

What are the general characteristics of substances chemists use to seperate mixtures into individual substances?

What is the charge on Iodine

We observe a distant object in space and see that the spectral lines for hydrogen in the object's light appear at a shorter wavelength than normal. What does this tell us about the object

At 9 a. m. on May 21, a body is discovered near a path in a park. The body is 10 feet from a tree beside the path. The body is partially buried. The weather is hot and humid. The body has a gray, cheesy-like appearance to it.

What is the smallest particle of a covalent compound that has the properties of that compound? a molecule an ion an element an atom

How many moles of co2 are produced when 10 mol of propane (c3h8) is burned in excess oxygen?

Why are the spheres representing nitrogen and oxygen different colors

How many moles are in 16.94g of water?

Two compound samples are found to have the same mass percentages of the same elements. what can you conclude about the two samples

Sodium hypochlorite (Na xCl yO z) is the active ingredient in household bleach. A 250.0 g sample of sodium hypochlorite contains 77.2 g sodium, 119.1 g chlorine, and the remainder is oxygen. Calculate the empirical formula of sodium hypochlorite.