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25 Cards in this Set
- Front
- Back
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Periodic Table |
A chart of the elements organized in rows and columns according to the elements properties. |
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Element |
A substance made up of only one kind of atom represented in the periodic table. |
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Element |
A substance made up of only one kind of atom represented in the periodic table. |
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Chemical Symbol |
The abbreviation used for an element name. The first letter is capitalized -O=Oxygen |
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Atomic Number |
A number used to identify an element and tell the number of protons and electrons in an atom. |
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Atomic Mass |
The number of protons plus the number of neutrons in the nucleus of an atom. |
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Chemical Formula |
A group of elements symbols that represent a compound or molecule |
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Atom |
The basic part of matter with protons neutrons and electrons |
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Protons |
Positively charged particle that surrounds the nucleus |
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Neutrons |
A particle in the nucleus of an atom with no charge |
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Electrons |
A negatively charged particle that surrounds the nucleus |
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Matter |
Any solid, liquid or gas that takes up space and has mass |
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Molecule |
Two or more atoms of the same element joined together -O3=ozone |
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Compound |
When 2 or more atoms of the same element joined together to make a new substance -CO2=Carbon Dioxide |
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Mixture |
Two or more compounds that are mixed together, but are not chemically combined |
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Chemical Change |
A change that takes place when one substance into another |
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Physical Change |
A change which involved the appearance or state of matter. -Example: size and shapw |
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Sedimentary Rock |
Layers of sediment cemented together....Makes up only 8% of the crust |
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Metamorphic Rock |
Changed by heat and pressure beneath the Earth's crust |
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Igneous Rock |
Melted and cooled rock Example: Lava and magma......Forms on crust and below surface |
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Crust |
The outermost layer of the Earth |
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Mantle |
The layer between the crust and the outer core |
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Outer Core |
The layer of the Earth beneath the mantle |
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Inner Core |
The bot center of the Earth. The temperatures similar to what you would find on the sun |
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Fossil |
Preserve remains of plants and animal |
