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Edm Science Topic 2

the best in the Edmonton area

QuestionAnswer
Protons they are positively charged
Electrons they are negatively charged
Neutrons they don't have a change
Halogens they are the most reactive non-metals.
Atomic Numbers they represent the numbers of a proton in an atom
The nucleus are an atom that consists of protons and neutrons
Periods an element in which indicates how many electron shells it has
Bhor Model a model of the atom that show electrons that orbit in a specific shell
planetary model proposed that electrons orbited in a saturn-like ring
Dalton proposed that the atom theory of matter (1808)
Bhor proposed that electrons orbit nucleus in hells (1922)
Chadwick discovered that the nucleus contains portions and neutrons (1935)
Created by: blue big bird
 

 



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