;aldkgwfdlhrt;ogjaetoyhgjfrpiuhrgt[iporeuhpotyjreohgo45rigj9utewojfgihoigjiughwp
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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What does periodic mean? | Something that occurs or repeats at regular
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What does periodic law mean? | The law that states that the repeating chemical and physical properities of elements change periodically with the atomic numbers of the elements.
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What does period mean? | In chemistry, a horizontal row of elements in the periodic table
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What is a group? | A vertical column of elements in the periodic table; elements in a group share chemical properties.
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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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