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The top documents tagged [solid oxygen]
Technology
O xygen, sodium and phosphorus1
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States of MatterStandardized Test Prep States of Matter Preview Understanding Concepts Reading Skills Interpreting Graphics
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Elements Hydrogen Number of: Protons 1 Neutrons 0 Electrons 1 Boiling point -252 Freezing point -259 State at room temperature gas
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Hydrogen is the lightest element. It is by far the most abundant element in the universe and makes up about about 90% of the universe by weight. Hydrogen
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Properties of substances SG Chemistry, Topic 7. Conductivity of elements and compounds Standard Grade Chemistry Topic 7
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Wednesday, January 19 th , 2011
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Geologic Time Scale Summary
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