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Q: What is the difference between sodium vapor and mercury vapor streetlight?
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How might you distinguish a sodium vapor streetlight from a mercury vapor streetlight?

Mercury vapor streetlights, used since the 1940s, glow a greenish white. Sodium vapor streetlights, which have gradually replaced most of the MV streetlights in the US, glow orange. Another two, metal halide and LED, glow completely white.


What are the similarities between mercury and sodium?

they are both metal


What are the differences between mercury and sodium?

Mercury is liquid at room temperature. Sodium is highly reactive with many materials. Mercury is highly toxic to most life forms, sodium is used by many life forms (including us)


What metal is used in electric light bulbs?

This is different depending on the type of bulb. Most bulbs copper or kovar (or other alloy with thermal expansion rate matching that of glass) wires are used for connections.tungsten wire is used in incandescent bulbs for the filamentmercury liquid (which evaporates to form mercury vapor) is used in fluorescent bulbs and tubes as well as mercury vapor streetlight bulbssodium vapor is used in both high pressure sodium and low pressure sodium streetlight bulbstungsten studs are used as discharge electrodes in HID car headlight bulbsetc.


What is the difference between sodium plus chloride and sodium chloride?

Any difference - the formula unit is NaCl.


What is the difference between sodium and NaCl?

Sodium chloride is a chemical compound, sodium is a chemical element.


What is the difference between sodium chloride and sodium hydrogen?

Sodium chloride is NaCl; if you think to sodium hydride this is NaH.


What is the difference between sodium hypochlorite and sodium chlorate?

Sodium hypochlorite is NaClO. Sodium chlorate is NaClO3 and is a stronger oxidizer.


What is the difference between the sodium and bromine?

Sodium electronegativity (after Pauling): 0,93 Bromine electronegativity (after Pauling): 2,96 The difference is 2,03.


What do you get when you mix sodium chloride with Mercury?

Mercury will not react with sodium chloride


What is the electronegativity difference between sodium and bromine?

Sodium electronegativity (after Pauling): 0,93 Bromine electronegativity (after Pauling): 2,96 The difference is 2,03.


What is the difference between sodium and sodium hydroxide?

Sodium is an element on the periodic table, sodium hydroxide is a compound of sodium (Na) and hydrogen and oxygen (OH)