Stack #2641310 Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
| 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 |
Created by:
ashleekeith