The bohr atom the hydrogen atom consists of one electron and one proton. in the bohr model of the hydrogen atom, the electron orbits the proton in a circular orbit of radius 0.529×10−10m.

Which is true of a liquid? it has a definite volume but not a definite mass. it has a definite mass but not a definite volume. it has a definite volume but not a definite shape. it has a definite shape but not a definite volume.

Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?

What is the percent by mass of magnesium sulfate in mgso4.7h2o