PS.2 Atomic Theory

Which scientist saw the atom as mostly empty space with electrons orbiting around the nucleus?

Which scientist explained that atoms were too small to see, and that atoms of different elements had different masses?

Which scientist proposed a model of the atom in which the individual atoms where thought of as tiny solids like balls or marbles?

Which scientist saw the atom as a solid sphere?

There are two types of particles found in the nucleus of most atoms. The proton is one, what is the second particle?

The British school teacher credited with proposing the first atomic theory was —

Where is most of the mass of an atom located?

What type of charge does a neutron have?

The electron has a —

The positively charged particle in the center of an atom is called the —