Chapter 9 Study Guide--mass, matter, atoms, and elements
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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| Matter | Any solid, liquid, or gas that takes up space and as mass
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| Mass | Amount of matter in an object.
More mass = heavier
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| Volume | Amount of space taken up by an object
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| Density | Amount of matter in a given amount of space.
Less density = will float
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| Density formula | Density = mass/volume
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| Physical Properties | Properties that can be observed without changing the identity of the substance, describe physical characteristics
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| Chemical Properties | Properties that describe how a substance reacts with another substance, describe chemical characteristics
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| Chemical Change | Ex: toast burning or baking a cake
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| Physical Change | Ex: boiling water or melting butter
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| Properties of Metals | Conduct heat and electricity, shiny when polished, bend rather than break
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| Acid | Ex: tastes sour and is corrosive
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| Compound | Two or more elements that chemically bond to create a new substance
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| Exothermic | Reaction that releases heat. (Feels warm to the touch.)
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| Endothermic | Reaction that takes in heat. (Feels warm to the touch.)
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| Proton | Positive particle found in the nucleus
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| Neutron | No charge particle found in the nucleus
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| Electron | A negative particle found outside the nucleus
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| Atom | The smallest unit of matter
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| Atomic Number | The number of protons in the nucleus of an atom, this determines the element.
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| Element | A substance that cannot be broken down into anything simpler, is made of atoms.
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| Periodic Table | The table that contains an arrangement of all known elements.
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| Metal | An element that conducts heat and electricity, and is shiny and bendable.
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| Nonmetal | An element that does not conducts heat or electricity, and is not shiny and bendable
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| Metalloid | An element that could have properties of both metals and nonmetals.
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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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Created by:
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