Chemistry and physical changes.
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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| Physical Changes | A change that occurs without changing the identity of the substance.
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| Chemical Changes | A change that occurs by changing the identity of the substance.
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| Mixture | When 2 or more substances combine physically.
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| Compound | When 2 or more substances are combined chemically and can't be separated by physical means.
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| Homogeneous mixture | Parts are mixed evenly throughout.(same)
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| Heterogeneous mixture | Parts are uneven throughout.(different)
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| Solution | Type of mixture where the solute is dissolved/mixed evenly in the solvent.
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| Solute | The part of the solution that dissolves.
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| Solvent | The part of the solution that the solute dissolves in.
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| Atom | Smallest unit of matter.
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| Element | One of the 100 or more units that make up all matter, and found on the Periodic Table.
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| Mass | How much matter is in something.
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| Reactant | The elements and compounds you start with in a reaction/equation.
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| Product | The elements and compounds that you end with in a reaction/equation.
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| Reactivity | The ability to react with another element or compound.
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| Coefficient | The number in front of the molecule.
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| Subscript | The number to the bottom right of an element that tells how many atoms there are of that element.
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| Alkali Metals | Group 1 a highly reactive group of metals that makes compounds with Group 7 (17).
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| Halogens | Group 7 (17) a highly reactive group of non-metals that makes compounds with Group 1.
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| Noble Gases | Group 8 (18) a group of non-reactive, non-metals that are all gases at room temperature.
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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.
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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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Created by:
bronydude
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