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Hydrogen
Hydrocarbons
Organic Chemistry
Chemistry
Elements, Chemical
Periodic Law
behavior as ideal gas
characteristics of hydrogen
chemical compounds of hydrogen
combustion process
commercial applications
diagrams, charts, and tables
energy source
food for bacteria
gas made of molecules
history of science
hydrogen bomb
hydrogen fuel cell
hydrogen in space
hydrogen in the body
hydrogen in the environment
isotopes of hydrogen
odorless gas
pictures
quotations
role in metal corrosion
slightly soluble in water
use by chemosynthetic organisms
use in balloons and dirigibles
Bacteria
Bacteria
, one-celled organisms visible only through a microscope. Bacteria live all around us and within us. The air is filled with bacteria, and they...
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