Chemistry-Ch3-LivingbyChemistry
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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| atom | the smallest unit of an element that retains all the chemical properties of that element and can exist as a seperate particle
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| atomic theory | a theory that states that all matter is made up of individual particles called atoms
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| model | A simplified representation of a real object or process that facilitates understanding or explination of that object or person
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| nucleus | the dense positively charged structure composed of protons and neutrons that is found in the center of an atom
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| proton | a positively charged particle located in the nucleus of an atom. The mas is about 1 amu
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| neutron | a particle that is located in the nucleus of an atom and does not have an electric charge; the mass is about 1 amu
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| electron | An elementary particle with a negative charge tht is located outside of the nucleus of an atom, has a mass of about 1/1840 amu
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| atomic number | equal to the number of protons in an atom and is used to identify an element on the periodic table
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| atomic mass | measured in atomic mass units (amu) it is the total mass of protons and neutrons in the nucleus of an atom
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| average atomic mass | the average mass of the naturally occuring isotopes of an element
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| isotope | atoms of the same element with differing numbers of neutrons
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| radioactive isotope | isotopes of an element that are less stable and emit subatomic particles spontaineously over time.
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| nuclear reaction | changes in the nucleus of an atom
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| readioactive decay | the process of ejecting or emitting pieces from the nucleus of an atom
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| fission | the splitting apart of a nucleus
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| fussion | the joining of nuclei to form a larger nucleus
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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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Created by:
lpgullett
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