Key words ch29-30
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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Atom | Smallest particle of an element that still retains the particles of that element .
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Proton | Positive charge
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Electron | Negative charge
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Neutron | Nuteral
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Atomic mass unit |
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Sub atomic particles |
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Planetary model |
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Atomic number | Sum of protons and neutrons in an atom .
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Atomic mass |
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N= number | Shows the number of shells / rings .
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Group | Groups tougether the elements with similar chemical properties .
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Period | Line on a periodic table going across .
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Alikali metals | Group one very explosive 1 shell
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Aliki earth metals | Group two 2 shells
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Halogens | Group 3
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Noble gasses | Dont do much .
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Periodic table | An arrangements of elements in order of increasing atomic number .
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Isotopes | Atoms of the same element that have different numbers of neutrons in the nuclease .
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Mendeleev | Invented periodic table .
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Dalton | Founded Atomic structure .
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Neil's Bohr | Founded Planetary model of atom.
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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:
Shasow
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