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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| A particle in the space inside the nucleus of an atom that carries one unit of positive electric charge | Proton
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| A particle in the space outside the nucleus of an atom that carries one unit of negative electric charge | electron
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| The number of protons in a single atom of an element | atomic number
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| A practical that contains two or more atoms joined together | molecule
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| A substance that conducts heat and electricity | metal
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| The nonmetallic elements helium neon argon krypton xenon and radon | noble gases
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| A small group of elements with some properties of both metals and nonmetals | metalloid
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| A chart that shows all of the known elements and their properties | periodic table
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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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