r/AskChemistry is a subreddit with 46k members. The community frequently discusses chemistry, reaction, acid, chemicals, and reactions, and the most common flair used is general, organic chem, inorganic/phyical chem, pharmaceutical, and biochem.
We are chemists and scientists who help demystify molecular behavior and apply discipline to naughty, wayward reactions, with a dash of wit & humor.
From basic principles to advanced topics, we welcome discussion of all levels of chemistry & related fields (eg. pharmacology, biology, physics).
Share links, images, and citations to enhance discussions.
Expect science-fueled answers, colorful discussion, and perhaps a touch of electron-bullying.
Popular Topics in r/AskChemistry
#1
Chemistry
290 posts
#2
Reaction
18 posts
#3
Acid
15 posts
#4
Chemicals
14 posts
#5
Reactions
11 posts
#6
Lab
10 posts
#7
Organic
10 posts
#8
Water
9 posts
#9
Help
7 posts
#10
Metal
7 posts
Flair Used in r/AskChemistry
#1
General
: "What reaction with gasoline is happening here?"
22 posts
#2
Organic Chem
: "What is this Molecule?"
16 posts
#3
Inorganic/Phyical Chem
: "I put a quarter on some ice in case my freezer ever thaws, but it's instead on an ice pedestal now? What caused this?"
14 posts
#4
Pharmaceutical
: "Getting an Adalimumab (Humira) "Y" antibody tattoo. What structural details must the artist not mess up?"
5 posts
#5
Biochem
: "Any ideas on what these are?"
4 posts
#6
Industrial Chem
: "Chemistry of “white liquor” implosion?"
4 posts
#7
Medicinal Chem
: "This garlic crusher left a gray smudge on my finger. What could the material be ?"
3 posts
#8
Practical Chemistry
: "How to clean this mess?"
2 posts
#9
Chem Engineering
: "I'm looking for a term that describes both Li-ion and Na-ion"
2 posts
#10
Molecusexual But Questioning
: "Why do I always need to convert celcius to Kelvin?"
1 post
Member Growth in r/AskChemistry
Yearly
+16k members(53.1%)
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Last updated: June 14, 2026