Term
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Definition
| An element is a pure substance that cannot be seperated into similar substances by physical or chemical means. |
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Term
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Definition
| A pure substance is a substance in which there is only one type of particle. |
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Definition
| Are shiny and they conduct heat energy and electric current. are also malleable. |
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Definition
| Do not conduct heat or electric current, and the solid nonmetals are dull in appearance. |
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Term
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Definition
| Are called semi-conductors. they have properties of both metals and nonmetals. some are shiny, some are dull. Are somewhat ductile and malleable. some conduct heat, others cannot |
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Term
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Definition
| A substance made up of two or more different elements joined by chemical bonds. |
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Term
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Definition
Carbon Monoxide-a deadly gas
Carbon+Oxygen |
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Term
| Th ratios of elements of a cmpound |
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Definition
| elements do not randomly join to form compounds. elements join in a specific ratio according to their masses in form of a compound. |
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Term
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Definition
| As an element does, each compound has is own physical properties. these include melting point, density, and color. |
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