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20 Cards in this Set
- Front
- Back
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Matter |
anything that takes up space and mass
Ex: Shoe; calculator; boy;phone; etc |
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element |
substance that cannot be broken or made Ex: Hydrogen ; carbon
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Compound |
Two or more than one element mixed together to make up something else
Ex: Water; Salt Salt( sodium + Chlorine= Salt or sodium chloride) |
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essential elements |
elements needed by an organism to survive Ex: Carbon, hydrogen, nitrogen, oxygen |
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Trace elements |
Elements needed only by certain and specific species. Ex: Iron |
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Protons |
Positive electron charge particle |
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Neutrons |
Neutral ; No charge
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Electrons |
Negatively charged particle in the atom
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Atomic Nucleus |
Is the center of the atom Ex: Solar system- Sun |
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Dalton |
Atomic mass unit or amu |
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Atomic Number |
the amount of protons |
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Atomic mass |
Protons + Neutrons= Mass |
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Isotopes |
same element but with a different mass Ex: Carbon 12( Protons 6 Neutron 6) Carbon 14 ( 6 Protons and 8 Neutrons)
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Half life |
time it takes for 50% of parent isotope ( whole) Ex: Fossils |
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Radiometric dating |
Process used to find the the half lives of an organism to fossilize or turn to rock
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Energy |
done by doing work |
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Potential energy |
stored energy (Not being used) |
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Kinetic energy |
Energy in motion |
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valence electrons |
amount of electrons in outermost shell |
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Chemical bonds |
atoms together to make up a compound (bond to stay or attach) |
