Vocab StudyStack HW for Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Law of Conservation of Mass | Law that states mass is neither created or destroyed in orydinary chemical & physical change
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| Physical Change | A type of change in which the form of matter is altered but one substance is not transformed.
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| Chemical Change | A rearrabgenebt if the atoms of one or more subtanfces and a change in their chemical properties or composition, resulting in the formation of at least one new subtance.
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| Element | One of a class of substances that cannot be separated into simpler subtances by chemical means
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| Chemical Formula | A way of expressing information aboutr that atoms at constitue a particular chemical compound
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| Element Molecule | A substance composed of atoms having an identical number of protons in each nucleus that cannot be reduced to simpler substances by normal chemical means.
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| Compound Molecule | A pure chemical substance consisting of two or more different chemical elements
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| Chemical Equation | A representation, using chemical symbols in a form resmbling a mathematical equation.
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| Chemical Reaction | A process that leads to the transformation of one set of chemical substances to another.
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| Reaction(In a Chemical Equation) | What happens in a chemical equation
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| Product(In a Chemical Equation) | The outcome of a chemical reaction.
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| Coefficient(In a Chemical Equation) | In 2C Coefficient = 2
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| Subscript(In a Chemical Equation | 1.character printed on lower level: a character that is printed on a level lower than the rest of the characters on the line, the 2 in H2O
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| Diatomic | Having two atoms per molecule. (H^2)
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