science review
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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| why did Mendeleev leave spaces in the periodic table? | So that new elements could be discoverd.
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| Mendeleev arranged the elements into rows of? | Increasing mass.
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| What two elements have similar properties? | Chlorine and Bromine.
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| True or False, Mendeleev was the first scientist to arrange elements into a periodic table? | False.
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| True or False, the modern periodic table is arranged by increasing protons? | False.
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| Name three catigories into wich elements are classified based on genral properties. | Metals Nonmetals Metalloids.
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| What two elements in period 3 are the most reactive? | sodium and chlorine.
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| Name in order the three highly reactive elements in period 1 | Lithium,Sodium,Potassium.
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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:
fabianw
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