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WorksheetsAtomic Theory S.S
Total questions: 10
Worksheet time: 7mins
John Dalton stated:
Atoms of a given element are identical in size mass and chemical properties.
suggested that atoms had negatively charge electrons set in a positive sphere. Each electron is represented above by the symbol -e (electrons).
Electrons are found only in specific orbits around the nucleus.
found evidence that atoms has a positive charge.
subatomic particles with a positive charge
neutrons
protons
electrons
isotopes
subatomic particles with a negative charge
protons
electrons
neutrons
nucleus
What did Thomson discover?
electron
proton
neutrons
electron cloud
subatomic particle that are neutral in charge
electrons
protons
neutrons
isotopes
The scientist responsible for discovering the nucleus is:
Tomson
Einstein
Rutherford
Chadwick
What did James Chadwick discover?
the nucleus
electrons
protons
neutrons
What does this image represent?
Dalton atomic model
Thomson atomic model
Chadwick atomic model
This image represent the atomic model of?
Dalton
Rutherford
Bohr
Thomson
This atomic model belongs to:
Dalton
Rutherford
Thomson
Chadwick
