Voc lesson 1-3 ch 3
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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periodic table | a chart of the elements arranged into rows and columns according to their physical and chemical properties.
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group | a column on the periodic table.
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period | a row on the periodic table.
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metal | an element that is generally shiny, is easily pulled into wires or hammered into thin metal sheets, and is good conductor of electricity and thermal energy.
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luster | the way a mineral reflects or absorbs light at its surface.
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ductility | the ability to be pulled into thin wires.
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malleability | the ability of a substance to be hammered or rolled into sheets.
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alkali metal | an element in group 1 on the periodic table.
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alkali earth metal | an element in group 2 on the periodic table.
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transition element | an element in groups 3-12 on the periodic table.
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nonmetal | an element that has no metallic properties.
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halogen | an element in group 17 on the periodic table.
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noble gas | an element in group 18 on the periodic table.
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metalloid | an element that has physical and chemical properties of both metals and nonmetals.
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semiconductor | a substance that conducts electricity at high temperatures but not at low 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.
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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