E4_F02 - Name_ 1 : The solar system model of the atom is...

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Name____________________________ E4 atoms 10/14 Falll 2002 1: The solar system model of the atom is credited to A: Bohr B: Mendeleev C: Rutherford D: Thomson E: Nannook 2: Dalton's postulate that "atoms cannot be created, destroyed, or transformed into atoms of another element" is NOT true for A: nuclear reactions B: reactions involving only gases C: reactions involving only solids D: reactions involving only liquids 3: The mass of an atom is almost entirely caused by A: the nulceus B: the protons C: the electrons and protons D: protons + electrons E: neutrons 4: Electrons have a mass A: equal to that of a proton B: about 1/2000 that of a proton C: about 2000 times that of a proton D: equal to that of a neutron 5: How many electrons are there in a neutral atom of iron if its mass number is 58 and atomic number is 26? A: 58 B: 32 C: 26 D: 84 E: none of these 6: Which of the following pairs represent isotopes of each other. A:
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This note was uploaded on 09/08/2011 for the course CHEM 100 taught by Professor Avogati during the Spring '09 term at Mesa CC.

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E4_F02 - Name_ 1 : The solar system model of the atom is...

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