Chemistry

What post-transition metal is used to make blue and violet light-emitting diodes (LEDs) and diode lasers?

More Questions from Chemistry
What symbol appears on the periodic table for the element with the atomic number 58?
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Which of the following substances is industrially prepared by the contact process?
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What number is also the same as proton number and the number of electrons of a neutral atom?
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What is the boiling point of water on the Celsius scale?
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What is the spontaneous decay of atomic nuclei known as?
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What happens to water when it freezes?
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What kind of gas is CO2?
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Analysis of the black soot left over from a fire would reveal what primary element?
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