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29 Cards in this Set
- Front
- Back
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What is the difference between a pure substance and a mixture? |
In a pure substance all particles are the same throughout, in a mixture different particles are mixed together. |
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What is the difference between a homogeneous mixture and a heterogeneous mixture? |
In a homogeneous mixture you can't see separate parts, in a heterogeneous mixture you can see the separate parts |
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What is the law of conservation of mass? |
Mass cannot be created nor destroyed |
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Name 6 physical properties of matter |
Ductility Color Malleability Luster Hardness Viscosity |
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Name 3 chemical properties of matter |
Combustibility reaction work acid Reaction with water |
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What are some simple tests that you can do to observe some of the properties of matter? |
Find mass, volume and density Find solubility (dissolve in water) Heat it to see if it burns/catches fire |
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What are the three main points of the kinetic theory of matter? |
-All substances are made up of particles that are constantly moving -when you raise the temperatures if a substance the particles speed up -particles are constantly colliding with themselves and their container |
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How are particles in a solid arranged? |
They are close together |
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How do the particles in a solid behave? |
They vibrate |
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How are the particles in a liquid arranged? |
They are close together |
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How do the particles in a liquid behave? |
The slide past each other |
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How are the particles in a gas arranged? |
They are scattered around their container |
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How do the particles in a gas behave? |
They bounce around the container and collide |
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What are the differences between a gas and a plasma? |
Gasses have no electric current, plasmas do |
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Which types of matter have a definite shape? |
Solids |
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Which types of matter have an indefinite shape? |
Liquids, gasses, plasmas |
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Which types of matter have a definite volume? |
Solids, liquids |
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Which types of matter have an indefinite volume? |
Gasses |
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What happens to water as it's temperature goes from -5°C to 105°C? |
Solid - melting - liquid - boiling - gas |
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Why can't matter increase it's temperature while changing state? |
Energy is being used in changing state |
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What is absolute zero? |
When particles have 0 kinetic energy |
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What is the mass, charge, and locations of a proton? |
Charge: 1+ Mass: 1AMU Location: nucleus |
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What is the mass, charge, and locations of a nuetron? |
Charge: 0Mass: 1AMULocation: nucleus |
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What is the mass, charge, and locations of an electron? |
Charge: 1-Mass: 0AMULocation: electron cloud |
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What is an isotope? |
An atom that had the same number of protons but a different number of neutrons |
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What are valence electrons? |
Electrons in the outer level of an atom |
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What is a period? |
Rows going across |
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What is a group? |
Columns going down |
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Where are metals, nonmetals and metaloids located on the periodic table? |
Metals are on the left Nonmetals are on the right Metaloids are between them |
