Possible Test Questions
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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| What is the pH scaled used to measure? |
To measure acidity and alkalinity.
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| What are coefficients? | They are the #’s that come before the chemical formula and indicate the # of particles that participate in the reaction.
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| What do chemical formulas tell you? | The elements and the number of elements
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| What does physical change not change? | The composition of a substance
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| What does chemical change result in? | The formation of one or more new substances
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| What does the subscript give you? | The number of atoms for a particular elements
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| What are reactants? | Substances broken aparts or combined in a chemical reaction
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| What are products? | New substances formed in a chemical reaction
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| What is a chemical equation? | A chemical reaction that has already occured
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| What are exothermic reactions? | Chemical reactions that release heat energy.
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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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