Atomic Models over Time

Which two individuals described the atom as in indivisible particle?

• Bohr and Rutherford

• Thomson and Dalton

• Dalton and Democritus

• Schrodinger and Thomson

Which atomic model is pictured here?

• Atomos

• Plum Pudding Model

• Nuclear Model

• Bohr Model

Who discovered the electron and developed this model of the atom??

• Thomson

• Schrodinger

• Bohr

• Rutherford

This model is known as the Nuclear model because it is the first model with a/an _____________.

• neutrino

• neutron with no charge

• electron with negative charge

• nucleus containing all positive charge and most of the mass

This model was developed after _______ bombarded very thin gold foil with alpha particles.

• Democritus

• Dalton

• Thomson

• Rutherford

This is a Bohr model. Bohr was the first to indicate that electrons on an atom are found in different ___________.

• energy levels

• nuclei

• electron clouds

• plum puddings

In the Bohr model, electrons can "jump" up an energy level. When they drop back down to the ground state, they give off _______.

• gravity

• light

• protons

• neutrons

Schrodinger's model is the most complicated. He called the places where electrons are most likely to be found _________.

• nuclei

• orbitals

• energy levels

• karaoke bars

Schrodinger determined the places where electrons are most likely to be found using a branch of mathematics known as ____________.

• algebra

• set theory

• probability

• trigonometry