Structure of Matter Analyze what makes up matter Compare the different models of an atom.
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Transcript of Structure of Matter Analyze what makes up matter Compare the different models of an atom.
![Page 1: Structure of Matter Analyze what makes up matter Compare the different models of an atom.](https://reader035.fdocuments.in/reader035/viewer/2022081520/5697bf7c1a28abf838c842c8/html5/thumbnails/1.jpg)
Structure of Matter• Analyze what makes up matter• Compare the different models of an atom.
![Page 2: Structure of Matter Analyze what makes up matter Compare the different models of an atom.](https://reader035.fdocuments.in/reader035/viewer/2022081520/5697bf7c1a28abf838c842c8/html5/thumbnails/2.jpg)
Structure of MatterDefine matter
anything that has _________ and takes up space
mass
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Structure of MatterWhat is matter?
air is matter water is matter most of the things you see, taste, smell, and touch are made of matter
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Structure of MatterWhat isn’t matter?
light heat thoughts, feelings, ideas
these things have no mass, nor do they take up space
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Structure of MatterWhat makes up matter? atoms
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Structure of MatterDefine atom
a particle that makes up most types of ___________matter
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Structure of MatterCan matter be made or destroyed?
matter is not _________ nor ___________, it just changes into a different form this is the law of conservation of matter
createddestroyed
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Before Lavoisier, people used to think _________ could appear and disappear.
Structure of Matter
matter
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Structure of MatterWhat was Dalton’s model of an atom?
the atomic theory of matter: each type of matter was made of only _________ of atom
one kind
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Structure of MatterHow small is an atom?
1 million lined up in a row would be as thick as a human hair
(too small to be seen by a classroom microscope)
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Structure of MatterWhat is an electron?
invisible particles of an atom with negative charges
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Structure of MatterWhat was Thomson’s model of an atom?
Thomson thought an atom was a ball of ______________ with negatively charged electrons in it
positive charges
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Structure of MatterWhat was Rutherford’s model of an atom?
Rutherford’s model included a ________ with protons inside and electrons around the nucleus
nucleus
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Structure of MatterDefine nucleus
positively charged, central part of an atom
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Structure of MatterDefine proton
___________ charged particles in the nucleus of an atom
positively
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Structure of MatterHow was the neutron discovered?
James Chadwick, a student of Rutherford, discovered neutral particles that gave the nucleus more mass
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Structure of MatterDefine neutron
neutral particle in the nucleus of an atom
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Structure of MatterWhat was Bohr’s model of an atom?
Bohr’s model indicated that electrons traveled in paths around the nucleus
(lowest energy levels closest to the nucleus)
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Structure of MatterModern Atomic Model
Electrons travel in an electron cloud rather than in paths
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