Term
| List the three states of matter. |
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Definition
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Term
| list the four main statements of the kinetic molecular theory. |
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Definition
-All matter is made up of very small particles
- There is empy space between particles
- Particles are constantly moving in liquids and solids, the particles colid with each other.
-energy makes particles move, the more energy the particle has the faster they can move and the farther apart they can get. |
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Term
| Define a physical property |
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Definition
| physical properties are chararistics or discribing properties of matter which apperance may change but non- chemicals are broken and no new substances are formed. |
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Term
| what are the subatomic particles that make up the atom? |
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Definition
| protons , neutrons and electrons |
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Term
| where is each type of particle located in an atom? |
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Definition
| protrons and neutrons are located in the neucleus and electrons are found surrounding the neucleus. |
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Term
| where is most of the mass of an atom located? |
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Definition
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Term
| what part of an atom makes up most of the volume? |
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Definition
| The region surrounding the neucleus, contatining electrons |
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Term
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Definition
| A pure substance that can not be broken down or seperated into simpler substances.Also it is a substance in which all the atoms contain the same number of protons |
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Term
| Approximatley how many diffrent elements have been identified? |
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Definition
| one hundred fifteen to one hundred twenty , ninty two occur naturally. |
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Term
| list six properties typical of a metallic element. |
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Definition
| hard, shiny , malleable , ductile , good conductors of heat and electricity. |
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