Test Review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Chemical Change | Chemical change is any change that results in the formation of new chemical substances.
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| Physical Change | A physical change is any change NOT involving a change in the substance's chemical identity.
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| Chemical Property | A chemical property is any of a material's properties that becomes evident during, or after, a chemical reaction.
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| Physical Property | A physical property is any property that is measurable, whose value describes a state of a physical system.
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| Synthesis | Two or more elements or compounds combine to make a more complex substance.
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| Decomposition | Compounds break down into simpler substances.
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| Single Replacement | Occurs when one element replaces another one in a compound.
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| Double Replacement | Occurs when different atoms in two different compounds trade places.
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| Atom | The smallest object that retains properties of an element.
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| Molecule | A molecule is the smallest particle in a chemical element or compound that has the chemical properties of that element or compound.
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| Conservation of Mass | A principle stating that mass cannot be created or destroyed.
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| Reactants | The reactants are the substances that are present before the chemical change takes place.
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| Products | The compounds that are formed when a reaction goes to completion.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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