Chapters 1-4; Labs 1,2
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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| Evaporation is the process that converts water vapor to liquid water t or f? | false
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| The opposite of evaporation is constipation t or f? | false
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| Mass is a measure of an amount of matter t or f? | true
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| Atomic masses are measured in AMB (atomic mass bundles)t or f? | false
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| Grams are a measure of liquid volume t or f? | false
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| All liquids freeze at the same temperature t or f? | false
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| One milliliter (ml) is the same as one cubic centimeter (cm3 )t or f? | true
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| Aluminum is more dense than iron t or f? | false
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| atom is what? | smallest stable form of matter, all matter is made up of them
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| proton is what? | particle in an atom carrying a positive electric charge
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| electron is what? | particle in an atom carrying a negative electric charge
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| element is what? | a pure substance consisting of only one kind of atom
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| molecule are what? | pure substance combining two or more bound atoms
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| compound is what? | a pure substance combining two or more atoms of different kinds
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| solid is what? | tight molecules, little motion, strong attractions among molecules
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| liquid are close what? | molecules, fluid motion, neither strong nor weak attractions
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| gas is what | distant molecules, free motion, little attraction among molecules
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| semi-solid is neither what? | as stiff as a solid nor as fluid as a liquid
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| The value, 6.02 × 1023, is what? | Avogadro’s number and also the number of atoms of any element in one gram-atomic-mass of that element
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| The density of any substance is correctly calculated as what? | mass/volume
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| The usual units of density are what? | g/ml or g/cm3
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| Archimedes principle states what? | That a floating object displaces its mass in liquid a sinking object displaces its volume in liquid
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| What is the normal boiling point of water in ºC? | 100
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| What is the normal boiling point of water in ºF? | 212
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| What is the freezing point of water in ºC? | 0
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| What is the freezing point of water in ºF? | 32
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| Hot gas that results from boiling water is called what? | steam
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| Changes of a substance from solid to liquid,liquid to gas or any of the changes in reverse are called changes of what? | phase
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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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.
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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