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18 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Physical properties |
The physical appearance and composition of a substance |
Boiling point Melting & freezing point Malleability Dueclity |
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Aristotle |
“ creator"of the scientific method propose the idea of Atoms (indivisible) |
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Law of conservation of mass |
Mass is either nor produced nor lost during a chemical reaction |
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Physical change |
Going from one state to another |
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Chemical change |
A new substance is being formed |
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Precipitate |
A solids formation as a result to chemical reaction |
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Groups on the periodic table |
Group one Alkali metal Group two alkali earth Group 17 halogens Group 18 noble gases |
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Isotopes |
Adam Adams of the same element that contain different amount of neutrons |
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Bohr diagram |
2 8 8 rule |
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Compounds |
Contain more than one element and Adams are held together by force and still a pure substance |
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Ionic compound |
Metal and nonmetal |
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Molecular compound |
Two nonmetals |
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Solubility |
The extent to which a substance will dissolve in H2O |
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Acids |
PH lower than seven reactive conductive will form H ions in a solution they turn blue litmus paper red and corrosive |
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Bases |
Name the same as ionic compounds always end with hydroxide |
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What is the difference between endothermic and exothermic |
Exothermic reaction is when the energy releases and an endothermic reaction is when energy is absorbed |
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John Dalton |
First model of the Atoms all matter is made up of small indivisible particles autumn is very mass in colour Atoms of different elements vein in properties Atoms of the same element are identical |
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JJ Thompson |
The discovery of the electron elements are made up of subatomic particles put together in different combinations for the different elements palm pudding model positive sphere with electrons |
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