Atoms, The Periodic Table, Bohr Diagrams, and Chemical Reactions
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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| Who was Democritus and what did he do? | He was a Greek philosopher who theorized that all matter was made of invisible particles that today are called atoms.
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| What was Democritus' theory? | Matter cannot be divided into smaller and smaller pieces forever. Eventually the smallest possible piece will be obtained. This piece will be invisible.
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| What did Democritus name the smallest piece of matter and what does it mean? | Atomos- not to be cut
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| Who was John Dalton and what did he do? | He was a British Chemist and teacher, he did studies and experiments in weather, colorblindness, and gases.
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| What did John Dalton notice and theorize? | He noticed that elements combine in specific proportions to form compounds, and theorized that their atoms combine at the same proportions.
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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.
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Created by:
Kelsey_morgan18
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