Chapter 2: Matter 2A
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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| color | physical property
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| shape | physical property
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| density | physical property
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| magnetism | physical property
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| conductility | physical property
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| ductility | physical property
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| rust | chemical property
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| burning something | chemical property
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| rot/decomposing | chemical property
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| combustion & flamability | chemical property
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| melting | solid to liquid
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| freezing | liquid to solid
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| condensing | gas to liquid
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| vaporizing | liquid to gas
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| compounds | two or more DIFFERENT elements chemically bonded together
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| molecules | snallest individual units in compounds - 2 or more elements chemically bonded together; they can be made of the SAME element to two or three different elements
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| diatomic elements | hydrogen, nitrogen, oxygen, flourine, chlorine, bromine, iodine
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| monatomic elements | neon, helium, argon, radon, xenon
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| CO2 | compound
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| NaCl | compound
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| N2 | element
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| Cu | element
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| Chlorine | element
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| water | compound
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| soil | heterogenous mixture
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| pure air | homogenous mixture
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| alcohol | compound
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| solubility | physical property
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| boiling point | physical property
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| water is heated and changed to steam | physical change
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| evaportaion | physical change
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| milk sours | chemical change
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| pancakes cooking on a griddle | chemical change
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| grass growing on a lawn | chemical change
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| water is absorbed by a paper towel | physical change
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| oxygen | element
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| carbon dioxide | compound
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| subscripts | smaller numbers written at the lower right of the symbol in a formula
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| coefficients | the numbers in front of a formula and refer to the entire unit
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| formulas | represent compounds and tell what type fo element and how many atoms of each type of element are in and individual unit of the compound
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| no change in the composition of the matter | physical properties
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| how matter changes in the presence of other matter | chemical change
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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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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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