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Elements that are Gases at Room Temperature

There are 11 elements that are gases at room temperature. Can you name them?
Includes elements in monatomic and diatomic molecules
At one atmosphere of pressure
Quiz by Quizmaster
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Last updated: August 12, 2019
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First submittedMay 29, 2016
Times taken34,211
Average score72.7%
Rating4.66
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Element
Argon
Chlorine
Fluorine
Helium
Element
Hydrogen
Krypton
Neon
Nitrogen
Element
Oxygen
Radon
Xenon
+6
Level 78
May 29, 2016
It'd be a bit more challenging if the answers were in random order. Lacked the one between C and H and just thought about the letters in order.
+25
Level 84
May 30, 2016
I took a quiz yesterday that had a comment complaining that the answers *weren't* in alphabetical order. You can't win for losing.
+1
Level 76
Nov 5, 2020
That's how I got radon.
+1
Level 82
May 31, 2016
Almost forgot the most obvious one.
+40
Level 87
Jul 4, 2016
Yeah, I nearly missed xenon too.
+2
Level 52
Jul 4, 2016
That's f...ing weird... I typed almost perfectly the same decreasing ratio order... Only hydrogen after the noble gases...
+10
Level 55
Jul 5, 2016
Oh my God I missed oxygen. I think I need more coffee. Wow.
+3
Level 59
Jul 7, 2016
You don't get to breathe now.
+7
Level 55
Jul 7, 2016
O, well there's my problem.
+1
Level 60
Sep 28, 2020
He can breathe, he just needs to drink liquid oxygen.
+2
Level 66
Jan 3, 2019
you needed more oxygen ;) the brain needs it ya know
+1
Level 33
Jan 7, 2018
Chlorine is a gas at room temperature and standard pressure.

Bromine and iodine also exist as gases at room temperature and standard pressure though their main forms are not gas.

+2
Level 68
Oct 13, 2019
Bromine is liquid at SATP and Iodine is solid
+1
Level 47
Aug 20, 2021
The caveats state that only monatomic and diatomic molecules are counted, and neither Br2 nor I2 are gases at STP
+2
Level 88
Jul 6, 2018
How do 71% know Xenon is a gas, 50% for radon and only 48% for chlorine? It was the original gas used in World War One. Greenish-yellow clouds that people had no defense against so they'd urinate on a cloth and hold it to their airways to neutralize it.
+3
Level 56
Oct 9, 2019
Perhaps some don't know how to write it in English.
+10
Level 67
Oct 13, 2019
Most of us encounter chlorine in swimming pools, so it's weird to think of it as a gas.
+7
Level 60
Sep 28, 2020
Yep, plus its easiest to just write all the noble 'gases' down, before looking elsewhere.
+2
Level 74
Aug 21, 2021
It was a Canadian high school chemistry teacher who allegedly thought to urinate on a cloth whilst in the first gas attack on Ypres. But I don't think most people think of chlorine gas primarily in terms of World War I history.
+1
Level 25
Sep 8, 2019
What about Argon, is a noble gas. At room temperature is in gas state.
+5
Level 74
Feb 4, 2021
Yes, that's why it's one of the answers.
+4
Level 76
Oct 9, 2019
I was on a roll - neon, radon, xenon, boron...oh, wait.
+1
Level 64
Oct 10, 2019
Wow I didn't expect to get all of them :l
+1
Level 64
Oct 10, 2019
Fun tho
+1
Level 32
Feb 27, 2021
Nearly forgot hydrogen
+1
Level 37
Aug 20, 2021
Good quiz. Nice general knowledge.
+1
Level 84
Aug 20, 2021
Mr. Serico would be pround that all these years later, I still remember HONK-ull-briff (HONClBrIF) for the diatomic elements. 10-of-11. Krypton was my kryptonite.
+2
Level 65
Aug 22, 2021
oh i prove i'll got 11 in mandarin but i only got 4 here
+1
Level 61
Aug 25, 2021
I forgot how to spell Chlorine dammit.
+1
Level 27
Oct 22, 2021
Oganesson?
+1
Level 51
Jul 25, 2022
Oganesson is actually a solid at room temperature.
+1
Level 35
Nov 15, 2022
we actually don't know
+1
Level 66
Jul 12, 2022
I'd be extremely curious to ask any chemist what would happen if all of these gasses were mixed.
+1
Level 45
Feb 21, 2023
no way i forgot nitrogen