Chemistry

What is often used in advertising signs and produces a bright reddish-orange light?

More Questions from Chemistry
Which of these is an element?
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What kind of gas is CO2?
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Which of these items will float in a glass of water?
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Nitrogen on the periodic table is noted by which symbol?
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What element is the most malleable of all metals?
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Which suicidal 19th century chemist has the single line etched on his tombstone "S=k log W"?
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What process causes molecules to move into areas that have fewer molecules?
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The dumping of most toxic chemicals into the ocean was banned by what treaty?
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