Review for midterm Part A
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 that states that the mass before a reaction will equal the mass after the reaction | Conservation of Mass
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| Method used to separate sand and water | filtering
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| Method used to separate salt and water | Evaporation
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| A property that helps to identify a substance but does not change the matter | physical property
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| an experiment in which nothing is allowed to enter or leave | closed system
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| The group of elements which do not react with other elements | noble gases
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| Where are metals found on the periodic table? | left side
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| a solid formed from the combining of 2 clear liquids | precipitate
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| How many elements are in KOH? | Three
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| the number written below and behind a symbol to show the number of atoms | subscript
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| property that can be determined by looking at the periodic table | chemical reactivity
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| a combination of 2 or more substances not chemically combined | mixture
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| How is the periodic table arranged? | atomic number
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| What kind of charge will an ion have if it gains electrons? | negative
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| If a gas escapes during a chemical reaction, the reaction is considered a(n) ___ system. | open
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| two or more elements chemically combined | compound
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| family of most active metals | alkali
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| the substance being dissolved | solute
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| the substance doing the dissolving | solvent
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| If an atom loses electrons, it will have a ___ charge. | positive
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| the ability of a substance to be hammered into thin sheets | malleability
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| matter that has no shape and does not take up a definite amount of space | gas
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| a substance composed of only one kind of atom | element
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| the smallest particle of matter | atom
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| group in the periodic table that contains elements used in computer chips | metalloids
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| the amount of heat needed to change the temperature of a substance 1 degree | specific heat
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| the ability of a substance to conduct heat | thermal conductivity
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| state of matter that has a definite shape and takes up a definite amount of space | solid
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| ability of a substance to be pulled into a wire | ductility
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| group of elements that are brittle, can be many colors, not shiny and poor conductors of heat and electricity | nonmetals
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| positive particle found in the nucleus of an atom | proton
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| negative particle that orbits the nucleus of an atom | electron
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| particle in the nucleus of an atom with no charge | neutron
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| state of matter that has no shape but takes up a definite amount of space | liquid
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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.
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.
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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Created by:
anita.parker
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