Write the chemical formula for each of the following compounds: a) magnesium fluoride Please Note: Chemical notation is case sensitive MgF2 Your Answer: MgF b) barium nitride Please Note: Chemical notation is case sensitive Ba(NO3)3 Your Answer: Ba(NO; )3 c) carbon disulfide Please Note: Chemical notation is case sensitive $20 Your Answer SC d) phosphorus pentachloride Please Note: Chemical notation is case sensitive

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.