chemistry 2
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 are elements? | substances that can't be seperated or broken down into simpler substances by chemical means
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| what is a pure substance? | a sample of matter either a single element or a single compound that has definite chemical and physical properties
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| what are the properties of elements? | Melting point, density, conductivities, and reactivity
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| what are metals? | elements that are shiny and that conducts heat and electricity well
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| what are nonmetals? | elements that conduct heat and electricity poorly
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| what are metalloids? | elements that have properties of both metals and nonmetals
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| what is a compound? | a substance made of two or more elements that are chemically combined
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| what are the properties of compounds? | melting point, density, reactivity, and color
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| what is a mixture? | a combination of 2 or more substances that are NOT chemically combined
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| what is a solution? | an even mixture (homogeneous) of 2 or more substances.(when the the solute dissolves in the solvent)
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| what is the solute? | in a solution, the substance that dissolves in the solvent
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| what is the solvent? | in a solution, the substance that the solute dissolves into
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| What are some examples of solutions? | dry air, soft drinks, antifreeze, salt, and water
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| what is alloy? | solid solutions of metals or nonmetals dissolved in metals (when a solid dissolves into a solid)
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| what is concentration? | how much of the solute is in the solvent
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| what is solubility? | the ability of 1 substance to dissolve in another at a given temperature or pressure
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| what is suspension? | a mixture where the particles settle after a while
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| what is a colloid? | a solution in which the particles don't move or separate (gelatin, whipped cream, mayonnaise
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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:
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