Atomic Theory Worksheet Answers Pdf John Dalton 1803 1808 revived the Atomic Theory a Summarize the major statements of Dalton s Atomic Theory b State the Law of Conservation of Mass
In 1803 Dalton proposed an atomic theory The theory stated that all elements were made of atoms and that the atoms were indivisible and indestructible particles Dalton s theory also said that atoms of the same element were the same while atoms of different elements were different CHEMISTRY 11 EARLY MODELS OF THE ATOM WORKSHEET 1 Match each scientist Dalton Thomson Rutherford amp Bohr to the statements describing his contribution to the atomic theory Identify who was the first person to propose the idea or make the discovery Each scientist may be used more than once
Atomic Theory Worksheet Answers Pdf
Atomic Theory Worksheet Answers Pdf
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50 Development Of Atomic Theory Worksheet
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The document summarizes key discoveries and models in the development of atomic theory including Democritus originally proposed the idea of atoms but lacked evidence while Dalton later established atoms as fundamental units through experiments ATOMIC THEORY SAMPLE TEST QUESTIONS History of the Atom Dalton First to believe that elements are made up of extremely small particles called atoms Thomson Discovered that atoms have negatively charged electrons Rutherford proved that the atom has a tiny positively charged nucleus
Quickly explained by Dalton with his theory Dalton s theory quickly became the theoretical foundation in chemistry These are the symbols Dalton used to describe different elements Dalton s Atomic Theory 1 All matter is made of atoms Atoms are indivisible and indestructible 2 All atoms of a given element are identical in mass and properties Finding the Atom Scientific Method No Theory is the complete story Science moves in steps Each time through the cycle we improve or replace our theories The Greek Contribution Atomic Theory 1 0 Introduction of Atoms Elemental Theory amp Alchemy
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Worksheet Development of Atomic Theory Name True False place a quot quot in the blank if the statement is true and a quot O quot in the blank if the statement is false Dalton s atomic theory stated atoms are indivisible all atoms of the same element are alike atoms unite in small whole number ratios to form compounds The answers labeled i below received two points ii received one point a two points The radii of the alkali metal ions increase with increasing atomic number because
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Atomic Theory Worksheet Answers Pdf - ATOMIC THEORY SAMPLE TEST QUESTIONS History of the Atom Dalton First to believe that elements are made up of extremely small particles called atoms Thomson Discovered that atoms have negatively charged electrons Rutherford proved that the atom has a tiny positively charged nucleus