Key words
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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| Chemical reaction | A change where new substances are formed
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| Physical reaction | A change where no new substances are formed
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| Property | Description of a material
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| Atom | Small unit of matter
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| Compound | Two or more different atoms bonded together (ionic or covalent bond)
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| Element | A certain type of atom
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| Molecule | Two or more atoms bonded together in a covalent bond (sharing electrons)
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| Formula unit | Two or more different atoms bonded together in an ionic bond (+ve and -ve)
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| Periodic Table | The list of elements
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| Pure | A single element or compound (not a mixture)
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| Crust | The thin solid layer on the surface of the Earth
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| Recycle | Reprocess a material to make a new object
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| Brittle | Does not bend but breaks
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| Conductor of heat | Allows heat to pass through
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| Conductor of electricity | Allows electrons to pass through
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| Flexible | Can bend without breaking
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| Malleable | Can be beaten and bend into shape
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| Ductile | Can be drawn into a wire
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| Magnetic | Attracted to a magnet
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| Metal | Lose electrons to obtain a full outer shell
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| Non-metal | Gain electrons to obtain a full outer shell
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| Bond | A force that joins atoms together
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| Metal ore | Rocks that contain metal compounds
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| Oxide | Chemical bonded to oxygen
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| Carbonate | Chemical bonded to CO32-
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| Decompose | Break down to simpler substances
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| Products | Substances formed in a chemical reaction
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| Reactants | Substances used in a chemical reaction
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| Thermal decomposition | Break down into simpler substances by heat
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| Word equations | A chemical equation with words only and no chemical symbols
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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:
andrewweng0406
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