8th grade science, periodic table, atoms
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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| negatively charged particle that orbits, moves around, the nucleus | electron
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| substance that has only one type of atom | element
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| the center of an atom | nucleus
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| positively charged particle, found in the nucleus | proton
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| a particle with no charge, found in the nucleus | neutron
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| the number of protons (and electrons) in an atom | atomic number
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| the number of protons and neutrons in an atom | atomic mass
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| space where electrons are found | shell
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| a horizontal row in the periodic table (running from side to side) | period
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| a vertical column in the periodic table (running from top to bottom) | group
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| shiny, good conductors of electricity and thermal energy | metal
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| most reactive family of metals | alkali metals
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| group 1 of the periodic table | alkali metals
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| the russian chemist who first designed the periodic table | Ditri Mendeleev
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| groups 3-12 of the periodic | transition metals
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| group 18 of the periodic table | noble gases
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| found on the right side of the zig zag line of the periodic table | non-metals
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| semiconductors that act like metal or non-metals sometimes | metalloids
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| found on the left side of the zig zag line of the periodic table | metals
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| chemical properties of elements in the same ____ change in a predictable way as you move from one end to the other | period
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| elements in a _____ have similar properties | group
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| elements in the same period in the Periodic Table have the same number of | shells
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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:
allison.teague
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