Atomic Theorists Quiz

What did Rutherford discover using his "Gold Foil" experiment?

• the nucleus

• electrons

• neutrons

• protons

Tags

NGSS.HS-PS1-8

What did James Chadwick discover in 1932?

• neutrons
• electrons
• the atomic theory
• protons

The first person to suggest the idea of the atom was

• Democritus

• John Dalton

• Niels Bohr

• Dmitri Mendeleev

The Greek word "atomos" , which is where we get the word "atom", means

• indivisible

• invisible

• indescribable

• individual

The first atomic model created by JJ Thomson was called

• The Thomson Model

• The Plum Pudding Model

• The Quantum Mechanical Model

• The Bohr's Model

Which of the following is NOT true about the structure of the atom?

• Atoms are mostly empty space

• The nucleus of the atom contains protons and neutrons

• The electron is neutrally charged

• Atoms make up all matter

Tags

NGSS.MS-PS1-1

The newest and most accurate model of the atom is known as

• The Bohr's Model

• The Quantum Mechanical Model

• The Rutherford Model

• The Plum Pudding Model

Robert A Millikan discovered that the mass of an electrons is roughly

• 1/1840 times the size of a proton

• the same size as a proton

• the same size as an atom

• 1840 times the size of a proton

founded electron cloud

• Thomson/Rutherford

• Dalton/Thomson

• Schrodinger/Heisenberg

• Bohr/Democritus

Which scientist had no evidence to support an atom's existence?

• Democritus

• Chadwick

• Thomsen

• Dalton