This is a set of keywords from chapter 29 & 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 | An atom is the smallest particle of an element which still retains the properties
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Proton | A positive charge
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Electron | A negative charge
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Neutron | A neutral charge
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Atomic mass unit | Is the measurement of the mass of the atom
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Sub-atomic particles | Are particles smaller then than atoms
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Planetary model | All electrons orbit the nucleus
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Atomic number | A number of protons found in a nucleus
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Atomic mass | The weight if the atom
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N = number | Number of electrons on the outer shell
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Group | The vertical columns of the periodic table
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Period | The horizontal rows
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Alkali metals | They are base metals
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Alkaline earth metals | Metal that normally has a charge of +2
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Halogens | Electronegative elements
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Nobel gases | Unreactive elements
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Periodic table | A table with all the elements
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Isotopes | Isotopes are atoms of the same element but have different numbers of neutrons
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Mendeleev | Found the periodic table
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Dalton | Found the atoms
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Neil's Bohr | Found planetary model
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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:
Conor.kelly
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