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atomic theory123

QuestionAnswer
law of definite proportions a chemical compound always contains the same elements in the same ratio.
law of conservation of mass mass cant be created or destroyed
law of multiple proportions when 2 elements combine to form two or more compounds, the mass of one element that combines with a given mass of the other is in the ratio of small whole numbers
rutherfords model nucleus protons neutrons
bohrs model electrons in electron cloud
volume in atom in electron cloud
mass in atom in nucleus
what keeps the nucleus together a strong force
02 vs 03 isotopes and multiple proportion
mass of nuetron is the same as mass of protons
electron charge negative outside nucleus
proton charge positive, inside nucleus
neutron no charge, inside nucleus
daltons theory #1 1. all matter is composed of atoms
daltons theory #2 2.atoms are of the same element are indentical in their properties
daltons theory #3 3. atoms of different elements differ in properties
daltons theory #4 diff. elements combine to form compounds
daltons theory #5 chemical reactions, they are combined, seperated, rearranged but never created destroyed or changed
what did the foil experiment discover dense nucleus
what did the ray tube discover electrons
frequency of wave lengths in electro magnet radiation electro magnet spectrum
Created by: kaliwalton