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21 Cards in this Set
- Front
- Back
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Law of conservation and matter |
Matter cannot be created nor destroyed in an isolated system |
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Pure substance |
Substance made of only one type of atom or only one type of molecule |
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Valence electron |
Electrons in the outer most shell of an atom |
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Heterogeneous |
A mixture made of two or more substances combined together that does not have the same consistency throughout and can be separated into its original parts by physical means |
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Homogeneous |
A mixture where one substance dissolves in another and the consistency is the same throughout the mixture |
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Mixture |
Two or more substances physically not chemically combined may be separated by physical means |
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Dissolve |
Process by which a solution forms the solute disperses evenly throughout the solvent |
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Family (group) |
A vertical column on the periodic table of elements where elements have similar chemical and physical properties |
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Metal |
An element that is shiny and conducts heat and electricity well |
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Nonmetal |
An element that conducts heat and electricity poorly |
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Metalloid |
Elements that have properties of both metals and nonmetals they are semi conductors |
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Noble gas |
The family (group) of unreactive elements of the periodic table that have a full outer shell of electrons |
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Precipitate |
A solid that is produced as a result of a chemical reaction in solution |
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Electron cloud |
Location of electrons surrounding the nucleus of an atom |
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Develop |
Start to exist or create |
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Analyze |
Take apart or break down examine in detail |
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Investigate |
Study or carry out research to collect facts |
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Construct |
Build or manufacture something |
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Atom |
The smallest unit of an element that maintains the chemical properties of that element |
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Proton |
Positively charged particle located in the nucleus of an atom |
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Electron |
Negatively charged particle in an atom that is located outside the nucleus |
