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14 Cards in this Set
- Front
- Back
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Is electrical conductivity a physical property or chemical property?
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Physical property
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Are most elements a liquid at room temperature?
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No, most elements are a solid.
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Does an element contain one or two kinds of atoms?
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One kind of atom.
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What are reactants?
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Two or more things being combined to make a product.
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What is a product?
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A result of reactants.
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What is a precipitate?
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A type of solid being formed by the reactants.
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Can you remove toxic waste?
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No.
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What is an atomic number?
What is an atomic mass? |
An atomic number is the number of protons.
An atomic mass represents both the protons and the neutrons. |
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What are the valence numbers?
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The valence numbers are how many valence electrons there are surrounding the element.
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What is volume?
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How much space an object takes up.
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What is in plastic?
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Crude oil, petroleum, hydrogen, and carbon compounds
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Are chemical properties and physical properties the same?Explain both.
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No, they are not.
Chemical= traits of a substance that you find by seeing if it reacts in certain ways with other chemicals. Physical= Characteristics that can be observed in a substance w/o changing it to something else. |
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What is an atom?
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Atoms are what make up an element.
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What is an element?
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Elements are one type of atom that make up a certain substance.
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