vocabulary ch 3 section 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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| Metal | A class of elements characterized by physical properties that include shininess, malleability, ductility, and conductivity.
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| Malleable | A term used to describe material that can be pounded into shapes.
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| Ductile | A term used to describe a material that can be pulled out into a long wire.
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| Conductivity | The ability of an object to transfer heat or electricity to another object.
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| Reactivity | The ease and speed with which an element combines, or reacts, with other elements and compounds.
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| Corrosion | The gradual wearing away of a metal element due to a chemical reaction.
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| Alkali Metal | An element in Group 1 of the periodic table.
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| Alkaline Earth Metal | An element in Group 2 of the periodic table.
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| Transition Metals | One of the elements in Groups 3 through 12 of the periodic table.
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| Alloy | A mixture of two or more elements, one of which is a metal.
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| Particle Accelerator | A machine that moves atomic nuclei at higher and higher speeds until they crash into one another, sometimes forming heavier elements.
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| Synthetic Element | Elements with atomic numbers higher than 92are not found naturally on Earth, they are made—or synthesized— when nuclear particles are forced to crash into one another.
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| Lanthanide | In the top row of the two rows below the main periodic table. They are soft, malleable, shiny metals with high conductivity. They are mixed with more common metals to make alloys
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| Actinide | In the bottom row of the two rows below the main periodic table of which only thorium and uranium occur naturally. All elements after uranium in the periodic table were created in labs.
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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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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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