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    Introductory Chemistry Quiz
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Electrons are located in ____ around an atom's nucleus. atoms
Unlike some ____, all compounds are homogeneous. bonds
A spoonful of table salt (NaCl) is composed of two ____. elements
Na and Cl are the ____ for sodium and chlorine. insulators
A water molecule (H2O) has one oxygen and two hydrogen ____. mixtures
Solid nonmetals are good ____ of heat and electricity. neutrons
Atoms can be joined together by ____ to form molecules. orbitals
Mass number minus atomic number equals number of ____. symbols

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