Font size
WorksheetsAtomic Theory
Total questions: 18
Worksheet time: 25mins
Democritus
Dalton
Thomson
Rutherford
Bohr
Which model of the atom is this?
Billiard Ball
Atomos
Planetary
Electron Cloud
Rutherford (nuclear)
Which model of the atom is this?
Billiard Ball
Atomos
Planetary
Electron Cloud
Rutherford (nuclear)
Which model of the atom is this?
Billiard Ball
Plum Pudding
Planetary
Electron Cloud
Rutherford (nuclear)
Which model of the atom is this?
Billiard Ball
Plum Pudding
Planetary (Bohr)
Electron Cloud
Rutherford (nuclear)
Which model of the atom is this?
Billiard Ball
Plum Pudding
Planetary (Bohr)
Electron Cloud
Rutherford (nuclear)
Rutherford's "gold-foil" experiment using alpha particle scattering concluded that
the center of the atom is empty
atomic mass is spread over the whole atom
the center of the atom has a negative charge
most of the atom is empty space
All of the following are true about Democritus' atomic theory EXCEPT ______.
Everything is made up of atomos
Atoms vary in size and shape
Atoms are composed of subatomic particles
Atoms are infinite in number
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, & Schrodinger
JJ Thomson, Schrodinger, John Dalton, Ernest Rutherford, & Democritus
Democritus, John Dalton, JJ Thomson, Ernest Rutherford, & Schrodinger
John Dalton, JJ Thomson, Schrodinger, Democritus, & Ernest Rutherford
1-JJ Thomson
2-Erwin Schrodinger
3-John Dalton
4-Niels Bohr
5-Ernest Rutherford
Sir J.J. Thompson discovered the electron in 1897. How did Thompson explain the overall neutral charge of the atom?
Electrons are present all over the atom, even in the nucleus.
Electrons alternate between positive and negative charges.
Negative electrons were inside a cloud of positive charge.
Electrons travel around the nucleus at great speeds.
general assumptions of how systems work.
mathematical principles that can be proven true.
large amounts of data collected over time.
observations from within only one scientific discipline.
