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It's not man-made so your question should be when did time start because that's when Chlorine was made. It's always been around. If you mean to say when was it founded, then the answer would be 1774 by Carl Wilhelm Scheele.

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13y ago

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Who made poison gas?

It was the Germans and it was Chlorine Gas


What charge does chlorine gas have?

Chlorine gas has a charge of zero because it is made up of neutral chlorine molecules, each consisting of two chlorine atoms sharing electrons equally.


How is hydogen chlorine different from hydrogen gas and chlorine gas?

Hydrogen chloride is a compound composed of hydrogen and chlorine atoms bonded together, while hydrogen gas and chlorine gas are pure elements. Hydrogen gas is diatomic, consisting of two hydrogen atoms bonded together, while chlorine gas is diatomic, with two chlorine atoms bonded together. Hydrogen chloride is a colorless gas with a pungent odor, while hydrogen gas is colorless and odorless, and chlorine gas is a yellow-green gas with a strong odor.


Is cl3 a compound?

Cl3 is the chemical formula for chlorine gas, which is a compound made up of chlorine atoms.


Chlorine gas is a diatomic molecule Cl2. There are 6.00 mol of chlorine atoms in a sample of chlorine gas. How many moles of chlorine gas is this?

Since chlorine gas is a diatomic molecule (Cl2), one mole of chlorine gas contains two moles of chlorine atoms. Therefore, 6.00 moles of chlorine atoms would be equivalent to 3.00 moles of chlorine gas.


Is chlorine gas nontoxic?

No. Chlorine gas is highly toxic.


What halogen is made by passing electricity through salt water?

Chlorine gas is produced by passing electricity through salt water in a process called electrolysis.


Is chlorine a metal nonmetal mettaloid semi-metal noble gas or man-made?

Chlorine is a naturally occurring gas at the room temperature and atmospheric pressure which is a non metal.


Is chlorine made up of a noble gas?

no. chlorine is a halogen (a group 17 element) and not a noble gas (a group 18 element). However chloride ion will have the same electronic configuration as the noble gas, argon


Is chlorine gas a compound?

No. Chlorine gas is 100% chlorine and nothing else.


Things made up of chlorine?

Some things made up of chlorine include chlorine gas, bleach (sodium hypochlorite), PVC (polyvinyl chloride) pipes, and chlorinated water in swimming pools.


Is a colourless gas a metal?

Chlorine gas is a yellow-green kind of color.