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22 Cards in this Set
- Front
- Back
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Made up of neutrons, protons, electrons |
Atom |
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The positive thing in the middle of an atom |
proton |
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The neutral thing in the middle of an atom |
neutrons |
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number of protons in an atom |
atomic number |
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protons + neutrons in an atom |
mass number |
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the arrangement of electrons in the orbitals of an atom or molecule |
electron arrangment |
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a test to see if there are any oxygen particles in a test tube |
oxygen splint test |
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tests for carbon dioxide |
carbon dioxide lime water test |
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detects if there is any hydrogen gas |
hydrogen pop test |
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change the original properties of the substance |
chemical change |
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doesn't change the properties of the substance |
physical change |
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a substance made by mixing other substances together |
mixtures |
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a substance with no other particles added |
pure substance |
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a group of atoms bonded together |
molecule |
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a thing that is composed of two or more separate elements |
compound |
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purifying a liquid by a process of heating and cooling |
distillation |
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when water is left out in the sun |
evaporation |
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firm and stable in shape and the atoms are close together |
solid |
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atoms are slightly spread out and will fill the bottom of a container |
liquid |
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atoms are very spread out and a substance which expands freely to fill any space available |
gas |
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the process of solid turning into a liquid |
melting |
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the process of a liquid turning into a gas |
freezing/solidifying |
