The modern atomic model states that electrons move sort of like what?

Asa choose the correct set of reaction coefficients to properly balance the following chemical equation according to the law of conservation of mass: __s8 + __o2 ==> __so2 1, 1, 8 1, 8, 1 1, 8, 8 8, 1, 1

Compare and contrast the bohr model and the electron cloud models of the atom.

What is the molar mass of potassium nitrate, kno3