Elem Chem/Phys 4
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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Crystal | A solid that has regular repeating arrangement of atoms.
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Elements that form crystals. | Salt, Sugar, iron, Sulfide, and water.
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Compound | Made up of two or more different elements combined.
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Gemstones | Crystals people have considered more valuable than others.
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Acid | Sour,conducts electricity, ruins metal, and donates hydrogen ions.
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Base | The chemical opposite of an acid.
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Antacid | A base that works against the acid upsetting your stomach. Anti=against.
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PH | Potential for Hydrogen
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Chemical Reaction | When 2 or more chemical substances interact with each other and change into different chemical substances
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Physical reaction | Does not change the molecules - only changes the way it looks.
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Reactants | To make a chemical reaction - substances you start with (ie: borax, glue, water, vinegar, steel wool, coke, mentos, litmus paper...)
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Endothermic Reaction | Endo = within. Heat energy goes into the product.
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Exothermic Reaction | Exo = Greek word which means outside. So heat energy gets outside the molecules.
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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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