Chemistry 2/8
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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| Scientific theory | collect the facts or data
formulate a hypothesis
plan and do addition experiments to test the hypothesis
modify the hypothesis
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| Theory | A well established hypothesis
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| What do theories and hypothesis explain? | natural phenomena
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| What are scientific laws? | simple statements of natural phenomena to which no exceptions are known under the given conditions
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| Hypothesis | A tentative explanation of certain facts that provided a basis for further experimentation
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| Qualitative | physical characteristics
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| Quantitative | based on measurements
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| solid | definite shape and volume
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| amorphous solids | do not have a regular, internal, geometric pattern
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| liquid | definite volume but not definite shape
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| gas | indefinite volume and no fixed shape
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| metals | solids at room temperature
high luster
good conductors of hear and electricity
malleable
ductile
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| nonmetals | not lustrous
low melting points and densities
poor conductors of heat and electricity
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| metalloids | have properties that are intermediate between metals and nonmetals
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| cation | positively charged ion
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| anion | negatively charged ion
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| denser liquids drain out ___ | first
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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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