Science Vocab
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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| Law of Conservation of Mass | molecules cannot be broken or created
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| Physical Change | usually a reversible change of a substance in size or shape
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| Chemical Change | when two substances combine to form new substances
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| Element | one of a substance that cannot be broken down because it is in its simplest form.
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| Chemical Formula | a substance using symbols for its component elements
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| Element (Diatomic) Molecule | when two or more elements combine chemically with only one element
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| Compound Molecule | made of molecules not ions; atoms in the compound are bound together by shared electrons
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| Chemical Equation | a chemical reaction using symbols of the elements to indicate each reactant and product
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| Chemical Reaction | process that involves changes in the structure and energy content of atoms and molecules
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| Reactants (chemical equation) | substances that go through a chemical change
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| Products (chemical equation) | substances that result from a chemical change
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| Coefficient (chemical equation) | tells the number of molecules; no coefficient means 1 molecule
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| Subscript (chemical equation) | tells the number of a certain type of atom in one molecule
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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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