Seung Min Lee, Grade 8, Period 4, Lannom
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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| Subscript | Shows the amount of atoms (same atom) in a molecule.
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| Coefficients | Shows how many molecules are present.
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| Products | Substance that is formed as the result of a chemical reaction.
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| Reactants | A substance that takes part in and undergoes a change during a chemical reaction.
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| Chemical Reaction | Chemical change which forms new substances.
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| Chemical Equation | Symbolic representation of a chemical reaction.
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| Compound Molecule | Molecule composed of different elements.
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| Element (Diatomic) Molecule | A molecule that has only one type of element in it. Diamtoic is when there's only two elements.
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| Chemical Formula | An expression which states the number and type of atoms present in a molecule of a substance.
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| Chemical Change | Produces a new substance.
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| Physical Change | Does not produce a new chemical substance. Usually changes the form of matter.
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| Law of Conservation of Mass | In a chemical reaction, the mass of the produ cts equal the mass of the reactants.
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| Element | Substances that can't be broken down into simpler substances.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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.
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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