periodic table of 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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| element | a pure substance that can't be separated or broken down into simpler substances by physical or chemical means
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| nonmetals | elements that are dull & are poor conductors of thermal energy & electric current
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| pure substance | a substance in which there is only one type of particle includes elements and compounds
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| metalloids | elements that have properties of both metals & nonmetals; sometimes refered to as semi conductors
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| metals | elemnts that are shiny and are good conductors of thermal energy & electric currrent; most metals are malleable & ductile
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| periodic | elements that are ordered
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| periodic law | states that the chemical or physical properties of elements are periodic functions of their atomic numbers
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| period | a horizontal row on the periodic table
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| group | a column of elements on the periodic table
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| akali metals | the elements in group 1 of the periodic table; they are the most reactive metals
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| akaline earth metals | the elements in group 2 of the periodic ; they are reactive but less reactive than the akali metals
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| halogens | the elements in group 17 of the periodic table; they are very reactive nonmetals, & their atoms have 7 electrons in their outer level
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| noble gases | the unreactive elements in group 18 of the periodic table; their atoms have 8 electrons on their outer level
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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.
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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:
Jman08
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