Questions tagged [chemistry]
A puzzle that makes use of chemical knowledge, such as the names and atomic numbers of chemical elements. General chemistry questions are off-topic but can be asked on our sister site Chemistry Stack Exchange.
40
questions
35
votes
2answers
1k views
A Periodic Puzzle
Entry into Fortnightly Topic Challenge #38: Reusing Information 1
Isn't it nice to have the same information to depend on, that you know will be reused? ... Wait, who said that you were getting that ...
26
votes
3answers
2k views
Tell me who I am: To lead, she leads, daughter my
I am not married, but a daughter have I
And to lead, she leads, daughter my
I was part of the li'l boy that once rocked history
I am just you, I ain't a mystery
Who am I?
25
votes
1answer
869 views
An Evolutionary Experiment
Dr. Farnsworth entered class today and announced that we were going to conduct an experiment to see if we could force cells to evolve to communicate with us. The experiment is as follows: we are given ...
21
votes
3answers
18k views
What is my real name?
My Father is a Chemist
My Mother is a Mathematician
They call me iron59
What is my real name?
18
votes
1answer
379 views
Dr Aphorism's advice
My old science teacher Dr Aphorism was brilliant – not just at teaching (and, of course, science), but also at providing invaluable life advice. I always remember one day when I went to her office to ...
15
votes
1answer
1k views
Professor Roman loves to teach unorthodox Chemistry
His famous phrase in class was “ Elementary Watson”.
Given:
$IRON$ = $5$ - $4$
$M$ = $6$ - $9$
Find the Missing Element M.
15
votes
1answer
305 views
Words with Alchemists
You are probably familiar with Word Ladders, where you attempt to transform one word into another by switching one letter at a time, with each transformation forming a new word. This puzzle is similar....
15
votes
1answer
2k views
A lateral thinking puzzle with chemical elements involved. Why is this the correct answer?
As I mentioned in a previous question, I am trying to play through Praser 5, an old interactive fiction freeware game. In it, you visit four Marks, the marks of earth, air, fire and water. Each has a ...
14
votes
4answers
2k views
Lifting is my best known work
Virtuous, but I'm of no form
My seat's right at the very top
Where gangs of many is the norm
My one peer is one that goes 'pop'
Though my uses are many
Lifting is my best known work
...
14
votes
2answers
464 views
A Fantasy Gathering
At the gathering of the fantasy creatures, a small group of elemental beasts gathered at the bar.
"Oh, interesting!" said the cat, "if you remove two letters from your type, you have your name!"
"...
11
votes
2answers
2k views
Chemistry Riddle
Here is a riddle for all you science nerds out there! Each clue will give you a word or chemical. Tell me how these link together.
Clue 1: Work out the chemical and take its atomic symbol
part 1: ...
11
votes
1answer
1k views
Elementary, my dear …
My list for today
Iodine-Sulfur+Americium-Scandium:Phosphorus
Iodine-Titanium+Molybdenum+Thorium+Yttrium-Lithium:Helium
Praseodymium+Oxygen+Vanadium+Erbium+Boron+Sulfur-Lithium:Aluminum
...
10
votes
3answers
196 views
An Elementary Connect Fano Plane
I never thought I'd be able to make a connect Fano plane out of chemical elements, since there are so few to choose from. And I was right, but I got really close.
So if you haven't seen previous ...
10
votes
1answer
453 views
An occult property of chemical elements
I have partitioned the chemical elements into two groups based on a certain
occult property that is shared by some of them, but not by the remaining ones.
The following elements have my occult ...
9
votes
1answer
804 views
What is my name? Simple puzzle
I am a chemical element .---- -----
I am your ..-. .-. .. . -. -..
Combine them together now I am a country
What is my name?
8
votes
4answers
884 views
Scientifically Themed Rebus/Dingbat Puzzles
Below I have created a list of a few "scientific" expressions that represent some form of popular media, with the type stated. Hope you enjoy.
8
votes
2answers
305 views
Practical Chemo Opus
Herb Clark likes few substances, such as:
CARBON, NEON, SILICON, PHOSPHORUS, IRON, COPPER, ARSENIC, KRYPTON, ...
Find others per inclination.
8
votes
3answers
570 views
Acids and Bases
I have 6 solutions. 3 of them are acids, and 3 of them are bases. The acids and the bases (HCl and NaOH respectively) both have solution with a concentration of $0.1M$, $1M$, and $10M$. I don't know ...
7
votes
5answers
1k views
Single letter chemical elements on a 2x2 grid
In the past somebody showed me the puzzle below. I remember the answer but not the entire solution. Here it goes:
On a grid of 2x2 put four single letter chemical elements. The result should have ...
7
votes
3answers
495 views
Scientifically Themed Rebus/Dingbat Puzzles - Part 4
The same basic idea (I have a lot of these): science-styled expressions that represent some popular media. Previously, some guesses were for things I would say aren't that well known, so keep in mind ...
7
votes
2answers
240 views
A special chemical compound with a touch of math
What do you get when mixing
Aluminium, Neon, Nitrogen, Sulfur, Titanium, Vanadium,
and two math ingredients
$\lim_{n\to\infty}(1+\dfrac{1}{n})^n $ and (degree,?,seconds)
and
don't ask ...
7
votes
1answer
319 views
A Christmas Gift
Thanksgiving done and Christmas around the corner. Both mom and dad were whispering in the hallways glancing over their shoulders to ensure no one was listening. I knew they were planning something ...
7
votes
2answers
474 views
Troubling Triples
The points appear to be connected, but in the end, we should have worked under aqueous conditions.
$$
\begin{array}{|l|c|c|}
\hline
\textbf{Substance} & \textbf{Temperature (K)} & \...
6
votes
6answers
3k views
I Solemnly Swear That I Am Up To No Good
Quite simple. Find the odd one out, follow the instruction to give you a letter and then give me the code word.
Two pieces of advice first:
1) They gradually get harder (in my opinion)
2) Don't ...
6
votes
5answers
532 views
Longest word made from a chemical molecule?
I was wearing my Bacon t-shirt, and got to wondering, what's the longest word made solely with the atomic symbols of every atom in a compound?
For example, ${CO_{2}}$ would be coo, since there are ...
6
votes
1answer
537 views
Guess what letter conforming each word
This is an entry in the Fortnightly Topic Challenge #41: Short and Sweet.
1 letter only could be mean anything.
With an additional letter in front, could be used as medicine component and something ...
6
votes
1answer
962 views
The Odd Chemistry Teacher
My son's chemistry teacher is quite a nice person, but, I'd say, a little weird . Well, it has never been too much of problem -- never before yesterday, when I went up to him for some serious talk. ...
6
votes
1answer
191 views
Means of Transportation
The answer to this puzzle is a vehicle or a type of transportation. It is created by using simply parts of air, a noble metal and a heavy metal. What is it?
5
votes
3answers
1k views
Chemistry Rebuses
These rebuses aren’t original but I quite liked them when I first saw them so I’ll share them here. The first 2 are probably well known, but the last one is slightly more challenging.
...
4
votes
1answer
276 views
An enigmatic partition of the chemical elements
I have partitioned the chemical elements into two groups based on a certain
property that is shared by some of them, but not by the remaining ones.
The following elements have my enigmatic property:
...
3
votes
1answer
151 views
A longer chemical word
YEs, LuSH CHOCoLaTe CrYPTaNAlYSiS!
...are all English words formed by chaining a string of distinct, standard chemical symbols.
A $19$ character example is IrReCoNCILaBiLiTiEs.
Can you find two ...
3
votes
2answers
357 views
What number is missing?
This is a sequence, that if transformed correctly, gives a sequence that is easily recognized by experts in a particular field of science.
There is a number missing, though. Can you help?
57, 86, ...
2
votes
1answer
142 views
The Adventures of Jack #3
He's back at it again!
'Twas the night before Christmas,
And Jack only wanted one thing.
A hat - what else would he need?
Jack thought about colours, possibly crimson.
But the way he was - he'd ...
2
votes
1answer
91 views
What's the graph relation? #4
What's the relation that joins the nodes?
Previous
What's the graph relation? #1
What's the graph relation? #2
What's the graph relation? #3
1
vote
1answer
171 views
Odd-one-out chemistry word play
Find the odd one out:
Onions
Thioacetone
Naphthalene
Cyclobutadiene
Guanidine
Cadaverine
Carbon diselenide
Benzene
Edit: I forgot Benzene but I added it.
1
vote
3answers
480 views
Can you guess the name of Jim's girlfriend?
Ben and Jim are best friends and like playing pranks among themselves. Once Ben sent a fake phishing link to Jim to know his girlfriend's name but Jim was clever and instead of entering his girlfriend'...
0
votes
2answers
202 views
First I'm the parent and then I'm the daughter
A simple, one sentence riddle which I'm confident you'll know when you have the correct answer.
First I'm the parent, but I lose He and some energy, then become the daughter.
What does this riddle ...
-1
votes
1answer
163 views
Dismissing Lewis [closed]
If I were to take a benzene molecule:
And throw physics out the door, replacing the carbon atoms with iron,
What would it be called now?
Hint:
Credits: SPOILER ALERT, ANSWER WITHIN
-6
votes
2answers
230 views
Who doesn’t belong in the group? [closed]
Identify the ones that are oddballs
B
C
Ba
W
H
Fe
Si
Br
Rn
I
N
O
P
-6
votes
1answer
86 views
Professor Clark’s Precious Chemical Connections
They are primarily eight precious ones.
Fill in the X s with appropriate letters to reveal all the 8 Precious Metals.
Each X represents a letter.
1,5,7..vertical. 2,3,4,6,8..horizontal
