protrons
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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| atoms | ............................................................................................................smallest unit of matter
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| scientific modle | an idea that us to creat explanations of how we think some part of the world works. similar to a theory.
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| scientific evidence | collection of observation that many people have made. everyone agrees on the same collection of observations.
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| atomic numbers | number of protons in the nucleous of an atom
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| mass numbers | number of protons + number of neutrons
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| atomic mass | "weight" or mass of single atom the same as mass number because most of the weight of an atom is founded in the nucleous eletrons weigh almost nothing
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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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