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You are most likely referring to silver which will tarnish with time and often turns black (although depending on the composition of the gas its exposed to it can turn any colour of the rainbow)
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∙ 10y ago
Anonymous
A metal which is used in coins and slowly goes black and air
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What happens to a metal rod when heated?
goes bigger
Why does black cool quickest?
black cools quickest because the heat goes straight through it but white reflects so if you had two really thick sheets of metal one Matt black and the other shiny white put heat on them then cut them in half, the middle of the black one will be hot but the middle of the white one won't because the heat is going through the black
Does a purple shirt match with black pants?
yes.. black goes with anything.
Does sound waves travel fastest through air?
it goes fastest through metal
What metal doesn't change when electricity goes through it?
Electric current is a flow of electric charge through a medium
Is the value of a US half penny increasing?
Slowly. Very slowly. Many of these coins are in the hands of collectors. Since nobody spends or loses these coins the rarity never goes up. If the rarity never goes up neither will the price go up much.
Which metal goes red in contact with water?
Iron slowly oxidizes in contact with water to form Fe2O3 This is a red powder.
How do you defeat minion in twisted metal black?
Shoot all the squares on the truck then his force shield goes down then you go from there
What band goes from a high pitch voice to a death metal voice?
Many. Ex: Chelsea Grin, The Black Dahlia Murder...
What metal goes black in the air?
copper,and some precious metals, when exposed to air, turn black, like silver(completely turns black when exposed to air),gold(black spots appear),and others,maybe platinum.
When was Punk Goes Metal created?
Punk Goes Metal was created on 2000-08-01.
When it goes fast we cannot see it - when it goes slowly we cannot see it - What is it?
time
What are the common wiring in a receptacle?
Black wire is HOT, white wire is NEUTRAL and bare or green wire is GROUND. The black wire goes to brass colored screw, the white wire goes to silver colored screw and the bare wire goes to green screw that is connected to the metal "frame" of the receptacle.
If the sun goes to the center of the milky way in 2012 because of the galactic alignment will it be consumed by a black hole?
Let's take these fears slowly, one at a time.First, what is a "galactic alignment" ? ? ?
How and when autumn occurs?
Slowly when the summer goes away
What qualities make gold a desirable metal?
1. There is not much of it 2. It does not change - if buried 2000 years ago and now dug up it will still look the same. Silver goes black, iron goes rusty, copper goes green, and so on
What color goes with neon green and black?
Neon green goes WITH black
