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Module #3 Test

Module #3 Test...

QuestionAnswer
The elements in group 7A are called..... Halogens
Group 6A is known as the... Oxygen group
If an electron absorbs energy it jumps to a higher.... Energy level.
What does the electron cloud model show? It assumes that the movement of electrons is less predictable then those in Bohr's fixed energy level.
Who came up with the plum pudding model? Thomson.
Aristotle believed that... Everything way made from wind, fire, water, and earth.
Who was the first person to come up with an atom? Democritus.
Dalton's atomic theory was the first complete attempt to describe matter in terms of atoms. Dalton based his theory on... The law of conservation of mass and the law of Constant Composition.
What did Rutherford discover? He discovered strong positive charge in an atom.
What did Chadwick discover? Neutron.
Created by: user-1761993
 

 



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