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AtomicTheory-Develop

Scientists and expirements that developed the atomic theory.

QuestionAnswer
Who created the Law of Conserved Mass? Lavoisier
What does the Law of Conserved Mass state? All mass is conserved in a chemical reaction
Who created the Law of Definite Proportions? Proust
What does the Law of Definite Proportions state? Different samples of the same compound always contain the constituent elements in the same proportion by mass
Who proposed that matter is made up of small particles called atoms(Atomic theory)? Dalton
What are the four parts of the Atomic theory proposed by Dalton? 1. Indivisable atoms 2. Atoms of the same element are the same and atoms of different elements are different 3. Different elements that are mixed or combined create compound/mixtures of whole numbers 4. Atoms cannot be created or destoyed.
Who did the Cathode Ray Experiment? Thomson
What did Thomson liken an atom to? Plum Pudding
Thomson proposed that atoms are made up of what two parts? Positive "stuff" and removble electrons
What experiment did Rutherford conduct? Gold Foil Experiment
The Gold Foil Experiment lead to the idea of atoms consisting of what two things? A dense positive neucleus and low-mass electrons
Who discovered/confirmed neutrons? Chadwick
Created by: TJModalStudent
 

 



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