31-03-2014
Chemistry

contestada

Which instrument is directly used to determine the relative masses of atoms?
(A) spectroscope
(B)Geiger counter
(C)mass spectrograph
(D)microbalance
(E)electron microscope

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moviestar moviestar

31-03-2014

(C) the mass spectromer

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rescuecats1217 rescuecats1217

31-03-2014

It's C ^^ she's right

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