History of atoms

Which scientist is credited with discovering the negatively charge subatomic particles in the atom?

• Neils Bohr

• J.J. Thomson

• Ernest Rutherford

• Dalton

Ernest Rutherford discovered which positively charged part of the atom through the use of gold foil?

• Proton

• Neutron

• Electron

• Orbitals

Tags

NGSS.HS-PS1-8

Ernest Rutherford discovered that the atom is

• Compound of mostly empty space with negative electrons surrounding a positive nucleus

• A highly dense sphere of positive

• A highly dense sphere of a negative space

• Composed mostly of empty space with positive electrons surrounding a negative nucleus

Tags

NGSS.HS-PS1-8

Bohr's Planetary Model represented what?

• Electrons spin around the nucleus in a fixed orbital

• Protons spin around the nucleus in fixed orbitals

• An atom is a round sphere shaped like a planet

• Every atom is a little planet

What NEUTRAL atomic particle James Chadwick discover?

• Neutron

• Proton

• Electron

• Who cares I want to go home!

Tags

NGSS.HS-PS1-8

If an atom has an equal amount of Protons and electrons, what will its’ charge be?

• Positive

• Negative

• Neutral

• Infinite

Tags

NGSS.MS-PS1-1

Who proposed that matter was formed of small indivisible particles?

• Dalton

• Thomson

• Democritus

• Chadwick

Whose atomic model is this (solid sphere with specific properties)

• Bohr

• Dalton

• Rutherford

• Thompson

Whose atomic model is this

• Bohr
• Democritus
• Rutherford
• Thomson

Whose atomic model is this

• Bohr

• Democritus

• Rutherford

• Thomson