Term
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Definition
When two separate molecules become one |
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Term
Where can a solution be found? |
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Definition
Solution can be found In sugar water |
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Term
Whatbare parts of a solution? |
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Definition
The salutes and the solvents |
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Term
Characteristics of acid and bases and salt? |
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Definition
Acid-tastes sour and reacts strongly with metals Bases- has a bitter taste and doesn't react with metals Salts- can be bitter or tasteless and doesnt react with metals |
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Term
What makes makes a substance and acid?a Base? a salt? |
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Definition
Salt- sodium and chloride. Acid- when you add it to water. Base- when you remove it from water |
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Term
What is a neutralization reaction? |
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Definition
When you mix together an acid and Alkali. |
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Term
When does a chemical reaction take place? |
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Definition
By changing color, hardness or smell. |
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Term
What are the four signs of a chemical reaction? |
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Definition
Color change, formation of gas,bubbles form, and tempature change. |
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Term
Parts of a chemical reaction. |
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Definition
Reactants, yield sign, products, and coefficients. |
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Term
How is energy exchanged during a chemical reaction? |
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Definition
Energy can either be absorbed or released. |
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Term
What factors affect the rate of change? |
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Definition
Temperature, pressure, physical state, and catalyst. |
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Term
Recognize the basic characteristics of ionic and covalent bonds? |
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Definition
Ionic- high melting points, conducting electricity, dissolves in water, well defined crystals Covalent- neutral, don't conduct electricity, low melting point |
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Term
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Definition
It is an chemical bond in which one atom gives up an electron to another. |
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Term
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Definition
It the sharing of pairs of electrons between atoms |
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Term
What happens to elections during the bonding process? |
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Definition
Valence electrons are shared between two bonds |
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Term
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Definition
The mixture it different throughout the process |
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Term
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Definition
The mixture is the same through out the process |
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Term
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Definition
Process that produces chemical change the results in a new product |
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Term
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Definition
Short hand form of writing what reactants are used and what the products formed. |
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Term
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Definition
A substance that speeds up a chemical reaction but isn't permanently changed |
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Term
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Definition
Force that holds to atoms together |
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Term
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Definition
Substance that exists before a chemical reaction begins |
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Term
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Definition
Is the end result, what the turn out was |
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