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10 Cards in this Set
- Front
- Back
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elements |
the simplest pure substance |
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Atom |
the basic building block of matter |
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chemical property |
describe how a material reacts with another substance (e.g. reactivity with acid). see properly |
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physical property |
a property that can be identified, observed, or measured and does not rely on testing if the material reacts with another substance (e.g color). see properly |
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materials |
a type of solid matter used to make things. |
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molecule |
two or more atoms held together by chemical bonds form a molecule. |
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kinetic energy |
the energy an object has because of its motion |
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mass |
the amount of matter in an object |
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density |
mass of a substance per unit of volume. |
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compound |
a substance made from more than one element joined by a chemical bond. |
