What is the difference between the ground state and excited state for an atom

Which pair of kingdoms include organisms which are all multicellular?

Tow formulas for compounds containing hydrogen and oxygen are H2O and H2O2. Do these formulas represent the same compounds? Explain

A sample of a gaseous substance at 25 celcius and 0.862 atm has a density of 2.26 g/l. what is the molecular weight

What is the molarity of a solution made by dissolving 20.0 g of H3PO4 in 50.0 mL of solution

Which statement best explains why radon and krypton do not bond easily with other elements? They have many electron shells, so their protons do not attract electrons strongly.

Be sure to answer all parts. Enter your answers in scientific notation. The following values are the only allowable energy levels of a hypothetical one-electron atom: E6 = - 2.0*10-19 J E5 = - 7.0*10-19 J E4 = - 11.0*10-19 J E3 = - 15.

In which process are the products right side of the equation that comes out of the reaction, of the reaction glucose and oxygen?

Given example of the model used in science that is larger than the real object and an example of a model that is smaller than the real object

How to knof if d orbital is paramagnetic?

Sedimentary rocks may form far away from where the sediments formed. what two processes bring sediments to a new location