Atomic Structure: People Quiz

Arranged the elements on the periodic table based on atomic number.

• JJ Thompson

• Henry Mosely

• Dmitri Mendeleev

• Ernest Rutherford

Created the Electron Cloud Model and found that electrons are in an electron cloud around the nucleus that do not travel in fixed orbits.

• Schrodinger and Heisenberg

• JJ Thompson

• Democritus

• John Dalton

Arranged the elements on the periodic table based on atomic mass

• Dmitri Mendeleev

• Democritus

• John Dalton

• Neils Bohr

Found that electrons travel in fixed orbits around the nucleus

• JJ Thompson

• Neils Bohr

• John Dalton

• Ernest Rutherford

Named the atom based on the greek word meaning indivisible.

• Neils Bohr

• Henry Mosely

• Dmitri Mendeleev

• Democritus

Created the Solid Sphere Model and found that elements are atoms with different masses.

• John Dalton

• Neils Bohr

• Ernest Rutherford

• Democritus

Created the Plum Pudding Model and thought that the atom was a positive sphere with negative particles embedded throughout.

• Ernest Rutherford

• John Dalton

• JJ Thompson

• Henry Mosely

Created the Nuclear Model; Gold foil experiment allowed him to discover that the nucleus has a positively charged center with negatively charged electrons.

• JJ Thompson

• John Dalton

• Neils Bohr

• Ernest Rutherford