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Related Flashcards
Cards In This Set
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A sub-atomic particle with a positive charge
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Proton
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Electron
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A sub-atomic particle with a negative charge
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Evaporate
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To turn into gas, like water into water vapor.
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Atom
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The smallest particle of an element. Atoms are the building blocks of matter.
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PH scale
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A scale that shows the measure of acids and bases
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Compound
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A substance made of two or more elements that are chemically combined.
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Pure substance
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A substance that only has one type of particle (either atoms or molecules)
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Element
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One or more of the same kind of atoms
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Heterogeneous mixtures
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The substances in the kind of a mixture are not spread out evenly. Example: a bottle of liquid salad dressing.
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Homogeneous mixtures
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The substances are spread evenly throughout, a homogeneous mixture is called a solution. Example: vinegar (water and acetic acid are mixed evenly throughout). Other examples: sea water, soft drinks, glass
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Weight
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Measure of the pull of gravity on an objects mass.
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Mixture
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A substance containing two or more materials with different properties.
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Molecule
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The smallest part of a substance that is made up of two or more atoms.
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Periodic table
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An arrangement of the elements that provides information about their properties.
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Physical Property
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A characteristic of an object that can be observed, such as size, color, shape, or texture.
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