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| anything that has mass and takes up space |
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| characteristics that can be obserbed w/out changing the compostion of th esubstance |
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| characteristics that describe how a substance reacts with other substances to produce different substances. |
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| an substance tha tcannot be separated or broken down into simpler substances by chimical means;all atoms of an element ave the same atomic number. |
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| the sumallest unit of an element that maintains the chemical properties of that element. |
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| a subatomic particle that has a positive charge and that is located in the nucleus of an atom; the number of protons of th enucleus is the atomic number, which determines the identity of an element |
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| a subatomic particle that has a negative charge. |
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| a subatomic particle that has no charge adn that is located in the nucleus of an atom. |
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| the sum of the protons and neutrons in an atom |
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| an atom that has the same number of protons as the other atoms of the same element do but that has a different number of neutrons (and thus a different atomic mass) |
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| weighted average of the atomic masses of the naturally occuring isotopes of an element. |
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| a substance made up of atoms of two or more different elements joined by chimical bonds |
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| a group of atoms that are held together by chemical forces; a molecule is smallest unit of matter that can exist by itself and retain all of a substance's chemicla properties |
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| an atom or molecule that has gained or lost one or more electrons adn has a negative or positive charge. |
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| the attractive force btw oppositely charged ions, which form when electrons are trensferred from one atom or molecule to another |
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| a bond formed when atoms share one or more pairs of electrons |
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| a natural, usually inorganic solid that has a characteristic chemical compostion, an orderly internal structure, and a characteristic set of physical properties |
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| a mineral that contians a combination of silicon adn oxygen, adn that may also contian one or more metals |
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| a mineral that does not contina compounds of silicon adn oxygen |
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| the series of processes in which rock forms, changes from one type to another, is destroyed, adn forms again by geological processes |
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| rock that forms from the cooling and solidification of lava at Earth's surface |
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| rock formed from th ecolling and solidification of magma beneath Earth's surface |
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| describes magma or igneous rock that is rich in magnesium and iron adn that is generally dark in color |
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| describes magma or igneous rock that is rich in feldspars adn silica and that is generally light in color |
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