Atomic Structure & Theory

Electrons orbit a certain distance from the nucleus. Either radiate or absorb energy when jumping orbitals.

• Rutherford

• Thomson

• Bohr

• Dalton

JJ Thomson provided evidence that an atom.....

• contains negatively charged particles

• has an overall negative charge

• has an overall positive charge

• is the smallest particle of matter

Tags

NGSS.HS-PS1-1

Atoms are indivisible (can not be broken down)

• Dalton

• Thomson

• Rutherford

• Bohr

Tags

NGSS.HS-PS1-7

Rutherford discovered the....

• nucleus

• proton

• electron

• neutron

The atom is a positively charged cloud with embedded negative electrons

• Bohr

• Thomson

• Dalton

• Rutherford

The Atom is mostly large empty space with a small, dense nucleus at the center

• Thomson

• Dalton

• Bohr

• Rutherford

Isotopes are elements with a different amount of

• Neutrons

• Atoms

• Electrons

• Protons

Tags

NGSS.HS-PS1-8

Which scientist proposed this atomic theory model.

• Rutherford

• Dalton

• Bohr

• Thomson

Which particle does not contribute mass to the atom?

• Nucleus

• Neutron

• Electron

• Proton

Tags

NGSS.HS-PS1-7

Which scientist proposed this atomic model?

• Bohr

• Thomson

• Rutherford

• Dalton