Chapter 3 section 1
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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| atomic mass | the total number of protons and neutrons in the nucleus of the atom. the average mass of one atom of an element
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| atomic mass unit | a unit which is used to represent the mass of one proton or neutron
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| atomic number | the number of protons in the nucleus of an atom
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| chemical symbol | a tiny, negatively charged particle that moves around the nucleus of an atom
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| family | a vertical column of elements in the periodic table which have the same number of valence electrons and other similar properties
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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:
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