States of Matter | Chemical vs Physical | Atoms, Elements, and Molecules | Compounds, Mixtures, and Substances | Miscellaneous |
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What is a solid
definite shape, definite volume, & barely any particle motion
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What is a chemical property/change
A characteristic of a pure substance that describes its ability to change into different substances; new substances are made.
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What is an atom
the smallest particle of matter
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What is a compound
two or more elements chemically bonded together.
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What is matter
the substance of all objects; all matter is made of atoms and has mass.
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What is a liquid
indefinite shape (takes the shape of the container), definite volume, & particles move freely-but not crazy
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What is a physical property/change
A characteristic of a pure substance that can be observed without changing it into another substance; no new substance
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What is an element
a pure substance made up of only one atom
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What is mixture
this is made from mixing two or more items of matter together that do not chemically combine. THere are two types of this.
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What is a homogeneous mixture
this type of mixture is the same throughout. often confused with a pure substance. An example is kool aid.
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What is a gas
indefinite shape (takes the shape of the container, indefinite volume, & particles move extremely fast
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What is a chemical change
burning paper
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What is a molecule
two or more atoms of the same element bonded together
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What is substance
this is either pure or impure and are further classified into elements and compounds
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What is a heterogeneous mixture.
this type of mixture is not uniform. You can easily distinguish the matter that makes it up. An example includes trail mix
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What is energy; heat.
to change between the three states of matter this is needed. In what form is it?
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What is a Chemical change almost always has a physical change occur.
fill in the blank: A _________ change almost aways has a _________ change occur.
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What is the Periodic Table of Elements
This organizes elements into groups based on their chemical properties and periods based on their atomic number.
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What is compound and elements
Fill in the blanks: Salt is made up of sodium and chlorine. Salt is a __________, sodium and chlorine are ____________.
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What is the chemical symbol.
this component of an element on the periodic table is a letter. THe first letter is always capitilized and the second letter is lowercased.
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What is
Model with your body - each of the states of matter at the molecular level
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What is the apple turning brown.
An apple turns brown when left on the counter for too long. What physical change lets us know that a chemical change occured?
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What is proton, neutron, and electron
Fill in the blanks: An atom is made up of three subatomic particles. 1) a ________ is positively charged and in the nucleus 2) a ________ has no charge, but with the proton make up the atoms mass 3) an _________ has a negative charge and lives in a cloud around the nucleus.
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Mixture: cereal, salad dressing, trail mix, koolaid, milk
Substance: Hydrogen, Water, salt, Ammonia
Give an example of a mixture and a substance
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What is atomic mass.
This component of an element on the periodic table is the weight of the nucleus, found below the chemical symbol.
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