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Toxicity Which is more toxic?

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Page 1: Toxicity Which is more toxic?
Page 2: Toxicity Which is more toxic?

Toxicity

Which is more toxic?

http://lansce.lanl.gov/training/FST2004/images04/chemicals1.gif

Page 3: Toxicity Which is more toxic?

Burning Magnesium Metal in an Open Container

Dorin, Demmin, Gabel, Chemistry The Study of Matter , 3rd Edition, 1990, page 77

strip ofmagnesium

metal

Before burning After burning

whitepowder

strip ofmagnesiummetal

whitepowder

Page 4: Toxicity Which is more toxic?

Burning Magnesium Metal in an Open Container

Dorin, Demmin, Gabel, Chemistry The Study of Matter , 3rd Edition, 1990, page 77

strip ofmagnesium

metal

Before burning After burning

whitepowder

strip ofmagnesiummetal

whitepowder

mass increasedMg didn’t LOSE phlogiston…

but gained oxygen!

Page 5: Toxicity Which is more toxic?

Burning Magnesium Metal in a Closed Container

Dorin, Demmin, Gabel, Chemistry The Study of Matter , 3rd Edition, 1990, page 77

strip ofmagnesium

metal

Before burning After burning

whitepowder

nichrome wire connected

to a battery

2 Mg + O2 2 MgO mass conserved

Page 6: Toxicity Which is more toxic?

Perception of Motion

Page 7: Toxicity Which is more toxic?

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