Ch1 Chem vocab
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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| macroscopic | the big picture, what we see with the naked eye
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| microscopic | on the particle perspective
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| symbolic | symbolic representations: equations, formulas
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| matter | anything that has mass and can be observed
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| physical properties | doesn't change identity of substance
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| density | ratio of mass to volume
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| chemical properties | types of chemical changes a substance undergoes
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| combustion | burning oxygen in a chemical reaction
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| malleability | ability to be rolled and hammered into sheets
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| phases | common states: solid, liquid, gas
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| atoms | particles that can't be any smaller
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| molecules | groups of atoms held together: identity different from individual atoms
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| precision | spread of values obtained through measurement
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| accuracy | how close observed value to "true" value
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| random error | limitations to equipment
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| systematic error | consistently too high or too low: unknown bias
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| deductive reasoning | 2+ statements so irrefutable conclusion drawn
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| inductive reasoning | series of specific observation and making generalizations
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| model | empirical description
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| theory | explanation grounded in fundamental principle
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| ppm | parts per million
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| ppb | parts per billion
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| elastic modulus | stiffness measurement: stress to strain
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| yield strength | amount of force required for specified deformation of material
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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