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Most Common Elements in the Human Body

Name the 12 most abundant elements in the human body.
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Proportion
Element
65%
18%
10%
3%
1.4%
1.1%
Proportion
Element
0.25%
0.25%
0.15%
0.15%
0.05%
0.006%
Answer Stats
Proportion
Element
% Correct
Your %
+6
level 50
Oct 9, 2012
Missed a few, can you please accept Sulphur as an alternative spelling. Thanks
+1
level 21
Nov 30, 2012
added
+1
level 32
May 21, 2016
Even though it isn't?
+4
level 40
Aug 31, 2016
Even though it is Sulfur or sulphur (see spelling differences) is a chemical element with symbol S and atomic number 16. It is an abundant, multivalent non-metal. Under normal conditions, sulfur atoms form cyclic octatomic molecules with chemical formula S8. https://en.wikipedia.org/wiki/Sulfur#Spelling_and_etymology
+10
level 58
Mar 22, 2017
Why isn't it? Sulphur is the standard British spelling and a widespread spelling outside the USA.
+1
level 26
Mar 29, 2017
No, the word sulfur is now the standard British spelling. Changed a few years ago.
+1
level 48
Mar 29, 2017
I changed in the UK in 1992 apparently
+2
level 42
May 1, 2018
Still sort of relevant because I was taught to spell it sulphur in school so it technically isn't a dead way to spell it
+3
level 51
Jul 15, 2018
Manwiththeamazingbeard I disagree. Who has the right to change traditional British spellings? Sulphur it is, always was and ever shall be. Sulfur is a childish spelling.
+3
level 50
Jul 16, 2018
"Traditional British spellings" can change. When one writes in the stile of which you speak, as if by magick your argument seems rather emty.
+3
level 55
Jul 16, 2018
Traditional British (and Latin) spellings stayed in the U.S. in more cases than not. The U.K. decided to act French in the 19th Century all of a sudden with French -our, -re and others after centuries of maintaining the correct Latin spellings. A lot of British and French pronunciations stayed in North America as they were at the time of the linguistic split. Even the Queen's English has changed markedly in 70 years. Take it up with her.
+1
level 62
Jul 17, 2018
Exactly right, someone2018. US spellings have remained remarkably stable, it's British ones that have changed, contrary to popular misperception in the UK.
+2
level 55
Oct 31, 2016
Also can you add Brimstone?
+1
level 56
Mar 30, 2017
Why?
+1
level 56
May 14, 2017
Cosmokim is being being sarcastic.
+1
level 42
May 1, 2018
Too much Binding of Isaac
+1
level 23
Nov 22, 2013
Is this by mass or mole fraction?
+3
level 64
Mar 29, 2017
I think mass fraction, because if it was moles hydrogen would top the list. The main reason Oxygen has such a high percentage is because of its larger atomic weight.
+1
level 74
Dec 12, 2014
This must be a massic proportion, there are way more hydrogen atoms than oxygen atoms, but oxygen is sixteen times heavier than hydrogen. Given that the human body consists of two thirds of water, and that most of water's mass is due to oxygen, this seems logical.
+1
level 79
Jan 3, 2015
I must have spelled it "phosporous" or something. I did guess it!
+1
level 33
Oct 4, 2015
same! always horrible at spellings
+2
level 73
Jan 3, 2015
Shouldn't high fructose corn syrup be on here?
+2
level 72
Jan 3, 2015
Only for Americans.
+1
level 73
Jan 3, 2015
That's true. Non-Americans are usually full of something, though I'm not always sure what.
+1
level 42
Mar 31, 2017
Mexicans too
+1
level 31
Jun 2, 2015
It's covered by hydrogen, oxygen, and carbon.
+1
level 24
Mar 29, 2016
thats not an element
+2
level 68
Jan 3, 2017
The FDA just approved HFC as a new element. Red 40 Lake as well.
+1
level 58
Sep 10, 2017
Don't forget fructose, glucose, and all the other "ose"s.
+2
level 78
Jan 3, 2015
Pretty sure my body is at least 2% Cheez-its.
+1
level 49
Jan 3, 2015
If you weigh 100lbs and eat 1lb of tacos, are you 1% taco? Yes.
+6
level 66
Jan 8, 2015
No. You'd be 0.99% taco. Because you'd weigh 101 pounds after eating 1 pound of tacos. :D
+1
level 38
Aug 26, 2015
lol
+1
level 45
May 28, 2016
Haha genius
+1
level 51
Mar 29, 2017
:-)
+1
level 68
Mar 29, 2017
BigCheesy for the win
+1
level 11
Dec 19, 2017
yes :)
+1
level 73
Jan 3, 2015
For a few of my friends, silicon would have to figure high on the list.
+1
level 32
May 21, 2016
That's silicone, if I get your joke.
+1
level 60
Mar 29, 2017
Well, guess what silicone to a large part consists of. Clue's in the name.
+1
level 19
Jan 7, 2015
Everything but phosphorus
+1
level 72
Oct 5, 2015
Am I the only one who thought of that Breaking Bad episode when I did this quiz?
+1
level 66
Jan 13, 2016
Yes.
+1
level 62
Mar 29, 2017
No
+1
level 44
Apr 2, 2017
No, that episode came to mind immediately for me, as well. ;-)
+2
level 55
Jan 13, 2016
I couldn't spell the English word for phosphorus, the Norwegian word is so much easier: fosfor.
+1
level 21
May 20, 2016
I go with: 1. Organic compounds...C. 2. Water...H&O. 3. Proteins...N. 4. Nucleic acids...P. 5. Bones...Ca. 6. Nerve...Na&K. 7. Salts...Cl. 8. I can't think of anymore. Try from atomic number 1, skipping those that are not gonna be here...Mg,S&Fe I feel bad to face the need of using the last method; I should be able to tell those elements as a biology student...:(
+1
level 73
Sep 25, 2017
See HectorVortac's method below - sounds much easier.
+1
level 40
Jan 3, 2017
Surprised Iodine isn't hear. I always hear how it's good for you. Nice quiz!
+1
level 49
Mar 22, 2017
C. HOPKINS CaFe, Mighty good (Mg) with a pinch of salt (NaCl). Learned this in college.
+1
level 24
Mar 22, 2017
A year of organic chemistry and a career in health care and I couldn't come up with carbon. The main man of O-chem. *facepalm*
+1
level 77
Mar 29, 2017
With all the fish I eat, I'm pretty sure mercury should be on this list.
+1
level 73
Mar 29, 2017
Add that to the fillings in our teeth and the preservatives in our vaccines. Not to mention how we used to "play" with mercury in high school chemistry class because it was so cool to watch it rolling around in the palms of our hands. I wonder how I've survived so many decades. :)
+1
level 29
Mar 29, 2017
I'm surprised. I got the 7 most common.
+1
level 51
Mar 29, 2017
Gold 3×10−9
+1
level 63
Mar 29, 2017
One day I'll learn to science.
+1
level 45
Apr 3, 2017
I am surprised that anti-vaxxers aren't saying "mercury" considering that they believe all of us who are vaccinated have been vaccinated with drugs containing mercury.
+1
level 63
Apr 23, 2017
Chlorine?????? I am so scared.
+1
level 58
Sep 10, 2017
That's why all my friends smell like pool water!
+1
level 16
Jul 26, 2017
I might have spelled "pottasium" or what ever...
+1
level 59
Sep 10, 2017
Why did so few people get chlorine? Anyone heard of Hydrochloric acid?
+2
level 73
Sep 25, 2017
Or sodium chloride?
+1
level 66
Sep 10, 2017
Like questions on elements ...…..Try this one
+1
level 63
Jan 24, 2018
Aw frig, how did I forget SALT?
+1
level 38
Jul 16, 2018
I'd honestly think Hydrogen would be more abundant than Oxygen, because 75% of the Human Body is made of Water, and Water is made of 66.6% of Hydrogen. Correct me if I'm wrong (which I probably am), but I'd think that would compromise at least 50%. Also, you probably won't count this, but Hydrogen is the "building block" to every element, so I'd think the abundance of hydrogen would be greater than 10%. I think it deserves at least 30%.
+1
level 50
Aug 13, 2018
This quiz is going by total atomic mass, not number of atoms. Water has twice as many hydrogen as oxygen atoms, but oxygen atoms are 16 times heavier than hydrogen atoms, so water is counted as 8/9 oxygen.
+1
level 50
Aug 13, 2018
And hydrogen can be made into other elements by nuclear fusion, but when that happens it ceases to be hydrogen. This is a chemistry quiz so that wouldn't count anyway.
+1
level 25
Jul 16, 2018
shoutout to fma hahah
+1
level 36
Jul 18, 2018
Excuse my nit-picking, but shouldn't the title be most ABUNDANT elements, instead of common?
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