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hydrogen
Noun
Meaning
• A
colorless
, odorless, highly
flammable
gas
.
• The lightest
element
in the
periodic
table
.
Examples
•
Hydrogen
is
used
in
fuel
cells to
produce
electricity.
• The
sun
generates
energy
through
hydrogen
fusion
.
•
Hydrogen
balloons were
used
for experiments.
Add
hydrogen
Noun
Meaning
• A
colorless
, odorless, highly
flammable
gas
.
• The lightest
element
in the
periodic
table
.
Examples
•
Hydrogen
is
used
in
fuel
cells to
produce
electricity.
• The
sun
generates
energy
through
hydrogen
fusion
.
•
Hydrogen
balloons were
used
for experiments.