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24 Cards in this Set
- Front
- Back
element |
basic building blocks of matter;cannot be broken into simpler substances,consists of atoms of only one type. |
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atom |
the smallest particle of an element that has the chemical properties of that element.these are the building blocks of matter. |
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mass |
the amount of matter in a substance.you can measure mass using a balance.this is not to be confused with weight. |
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density |
a measurement of how solid something is,specifically it is the mass per unit volume of a substance.(d=m/v) |
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volume |
the amount of space an object takes up. |
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matter |
anything that has mass and takes up space. |
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nucleus |
the center of an atom that contains both protons and neutrons. |
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protons |
the positively charged particles of an atom;found in the nucleus |
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neutrons |
the small particle of an atom that carries a neutral charge;found in the nucleus. |
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electrons |
the negatively charged particles of an atom;found outside the nucleus. |
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periodic table |
a chart that contains all the known elements;arranged by the atomic number. |
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solid |
the state in which matter maintains a fixed volume and shape. |
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liquid |
the state in which matter maintains a fixed volume but adapts to the shape of its container. |
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gas |
the state in which matter expands to occupy whatever volume is available. |
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physical property |
characteristic that you can see through direct observation that includes color texture,density,odor,luster and state(solid,liquid,gas). |
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chemical property |
properties that can only be observed when one substance changes into a different substance. |
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physical changes |
a change from one state (solid,liquid,gas)to another without a change in chemical composition. |
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chemical change |
results in the formation of one or more new substances;a change that cannot be reversed. |
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melting |
change of state from a solid to a liquid with the addition of energy. |
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evaporation |
the change of a substance from a liquid to a gas. |
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boiling |
the conversion of a liquid to vapor. |
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freezing |
the change of state from a liquid to a solid. |
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condensation |
the chage of state from a gas to a liquid. |
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sublimation |
the process in which a solid changes directly into gas. |