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Ch 3 Atomic Structur

QuestionAnswer
The atomic model in which electrons are suspended in a positive substance plum pudding model
The atomic model in which the atom is a solid sphere billiard ball model
The atomic model in which the atom has a dense positive center with electrons found in a cloud outside the nucleus Rutherford Model
The atomic model in which the atom has a dense positive center, and the electrons orbits in different energy levels planetary model
The philosopher who first believed that matter could not be continually subdivided and coined the term atom Democritus
The philosopher who set atomic theory back because he believed that matter was continuous and could be subdivided infinitely Aristotle
The law that states that the sum total of the mass of the products must equal the sum total of the mass of the reactants because matter is neither created nor destroyed. the law of conservation of mass
The law that states that compounds are composed of elements in the same percentage by mass the law of definite proportions
sodium chloride, NaCl, is a: mixture, compound, or element compound
atoms of the same element with varying numbers of neutrons are isotopes
atoms in which the number of protons and the number of electrons do not match ion
positive ion cation
negative ion anion
The unit used to measure the mass of an atom atomic mass unit
The force that holds all the protons and neutrons together in the atom is strong nuclear force
The distance between the center of the nucleus and the outermost part of the electron cloud in an atom atomic radius
Almost the entire mass of the atom is found in the nucleus
Almost the entire volume of the atom is created by the electron cloud
Created by: vcanfield
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