EL GIRO DEL PLANETA TIERRA SE DENPOMINA

What is the mass of sodium in 3 moles of sodium chloride

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?