What is an atom called
at has gained or lost electrons?
a. molecule.
b. ion.
...
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Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes
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Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
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If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied
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