studying
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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| what was democritus' contribution towards better understanding of the atom | he stated that the atom was the smallest particle that things were made of
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| what was daltons contribution towards better understanding of the atom | all matter is made of atoms
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| what was thomsons contribution towards better understanding of the atom | discovered electrons
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| what was rutherfords contribution towards better understanding of the atom | the atom had a positive nucleus and negative electrons surrounding it
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| what was bohrs contribution towards better understanding of the atom | electrons travel in definite paths
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| what are the rules for putting electrons in bohr diagrams | they have to travel in definite paths
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| define element | a pure substance made from atoms that all have the same number of protons
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| what is the unit measurement for an atoms mass | amu
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| how is the identity of an element determined | atomic number
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| difine isotope | a atom with one more neutron than proton
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| define ion | no longer neutral because it has gained or lost electrons
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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:
madelineeyer
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