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36 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Pure Substance |
Type of matter that consist of only one particule |
One particule |
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Mixtures |
Type of matter that consist of mote than one particule |
More than |
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Elements |
Cannot be broken down by physical or chemical means into simpler chemical substances |
Cannot be broken down |
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Compound |
Composed of two or more different elements that are chemically joined (ie. H20, C02 |
Two or more elements |
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Solutions |
Uniform mixture of two or more substances that looks the same throughout (use only one phase) also called homogenius. |
Looks the same throughout |
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Mechanical mixture |
Mixtures in which you can distinguish between type of matter (see more than one phase) also called heterogenius. |
More than one phase |
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Alloy |
A solid solution of two or more metals ( eg. Brass made up of zinc and copper) |
Two or more metals |
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Physical property |
A characteristic of a substance that can be determined without changing the composition of that substance. |
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Qualitative physical property |
A property of a substance that is NOT measured and does NOT have a numeral value. |
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State |
Solid,liquid,gas |
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Colour |
Blue, white, yellow, red, colourless, etc. |
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Taste |
Sweet, sour, salty, bitter, spicy |
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Odour |
Odourless, sharp, sweet |
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Texture |
Bumpy, rough, powdery, smooth, coarse, wet, etc. |
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Lustre |
Shiny (lustrious) eg. - silvering Dull (not lustrious) eg. Rusty nail |
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Form |
Specific shape or amorphous (shape-less) eg. Crystal shape, cubic, hexagon. |
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Clarity |
The ability to allow light through Transparent - allows all light through Translucent - allows some light through Opaque - does not allow any light through |
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Brittleness |
Breakability or flexibility Brittle - eg. Glass Not brittle (flexible) - eg. Molding clay |
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Malleability |
The ability to be hammered into thinner sheets eg. Silver is malleable |
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Ductility |
The ability to be stretched (drawn or pulled) into a wire eg. Cooper wire |
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Electrical conductivity |
Ability of a substance to allow the transfer electrons through it |
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Quantitative physical property |
A property of a substance that is measured and has a numerical value |
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Mass |
The amount of matter by weight eg. Grams (g) or pounds (lbs) |
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Volume |
The amount of space occupied |
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Viscosity |
The degree to which a fluid resist a flow (can it pour readily?) |
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Hardness |
The relative ability to scratch or be scratched by another substance |
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Chemical properties |
Measure how a substance reacts with another substance. Describe what kind of chemical changes the substance could undergo. |
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Combustibility |
When a substance reacts with oxygen, releasing heat and light |
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Reacts with acid |
Some substance react vigorously with acid, some do not react at all |
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Reacts with water |
Some substance react vigorously with water, some react very slowly, some not at all. |
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Photosensitivity |
Some substance break down chemically when exposed to light |
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Change of colour |
A new substance has formed that has a different colour |
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Change of odour |
A new substance that formed that had a different odour (smell) |
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Bubbles |
When bubbles are visible (not caused by heating) a new substance is produced in the form of gas |
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New solid |
A new substance (solid) is seen. This solid is called precipitate. |
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Temperature or light change |
Energy is released or absorbed. |
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