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Stack #2641310

QuestionAnswer
-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
 

 



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