Atomic Theorist

Who's model does this picture represent?

• Dalton 1803-1808

• Rutherford 1911

• Bohr 1913

• modern model 1920 to the present

How does the size of an electron compare to the size of a proton?

• larger

• smaller

• equal

An atom becomes _________ when it gains electrons.

• Positive

• Negative

• Neutral

• Invinsible

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An atom becomes _______ when it loses electrons.

• Positive

• Negative

• Neutral

• Invinsible

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

The first person to suggest the idea of the atom was

• Democritus

• John Dalton

• Niels Bohr

• Dmitri Mendeleev

Said the the atom was mostly made of empty space.

• Rutherford

• Dalton

• Thomson

• Chadwick

Tags

NGSS.MS-PS1-1

What is the correct order of scientists in order of their work related to the atomic theory from earliest to most recent?

• Ernest Rutherford, JJ Thomson, John Dalton, & Democritus

• JJ Thomson, John Dalton, Ernest Rutherford, & Democritus

• Democritus, John Dalton, JJ Thomson, Ernest Rutherford.

• John Dalton, JJ Thomson, Democritus, & Ernest Rutherford

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

• the nucleus

• electrons

• neutrons

• protons

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