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-Believed that atoms are small solid objects that cannot be divided;created, or destroyed.
-Also believed that atoms are constantly moving empty space . (460-370 B.C.)
-Also believed that atoms are constantly moving empty space . (460-370 B.C.)
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-Believed that empty space dose not exist.
-Also believed that matter is made of fire, water, air, and earth. (384-322 B.C.)
-Also believed that matter is made of fire, water, air, and earth. (384-322 B.C.)
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Stack #2641310
| Question | Answer |
|---|---|
| -Believed that atoms are small solid objects that cannot be divided;created, or destroyed. -Also believed that atoms are constantly moving empty space . (460-370 B.C.) | Democritus |
| -Believed that empty space dose not exist. -Also believed that matter is made of fire, water, air, and earth. (384-322 B.C.) | Aristotle |
| -During a chemical reaction, atoms of one element cannot be converted into atoms of another element. -Atoms of one element are identical to each other and different from atoms of another element. -Atoms combine in specific ratios.(1766-1844) | John Dalton |
| -Most of an atoms mass and positive charge is concentrated in a small area in the center of the atom called the nucleus. -Negatively charged electrons move in the empty spaced around nucleus. -protons are positive | Earnest Rutherford |
| -In addition to protons, the nucleus contains neutrons. -Neutrons are neutral particles that surround the nucleus.(1885-1962) | Niels Bohr's |
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