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Category Elimination - Elements

In each group, name any answer which matches the first category to reveal the second category, then name any answer which applies to both categories to reveal a third, and so on.
Also try Countries, Capital Cities or U.S. States!
# = the number of answers possible.
Answer must correspond to the highlighted yellow box.
Quiz by Stewart
Rate:
Featured Quiz
Last updated: January 9, 2020
More quiz info >>
First submittedJanuary 9, 2020
Times taken19,370
Average score55.0%
Rating4.43
Quiz and answer stats >>
Friends stats >>
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Keep scrolling down for answers and more stats ...
Green Categories
79
Elements ending in "ium"
✓
26
... with an atomic number below 50
✓
9
... in the 4th row of the Periodic Table
✓
2
... whose symbol is a single letter
✓
1
... with 9 letters in its name
Potassium
 
Orange Categories
38
Elements which are transition metals
✓
13
... containing the letter A
✓
5
... with an odd atomic number
✓
3
... which was discovered after 1800
✓
1
... which does not end in "dium"
Tantalum
Blue Categories
59
Elements discovered before 1850
✓
20
... with an atomic number above 49
✓
8
... with at most 6 letters in its name
✓
2
... in the 5th row of the Periodic Table
✓
1
... whose symbol is a single letter
Iodine
 
Purple Categories
104
Elements with a 2-letter symbol
✓
29
... which are Actinides or Lanthanides
✓
9
... with 10 or more letters in its name
✓
4
... which was discovered after 1945
✓
1
... and not named after a person
Californium
blizzrd33
+14
Level 76
Jan 15, 2020
The answer to the yellow clue was really hard. I eventually figured out the others, but not that one.
Devvik2
+1
Level 67
Feb 19, 2020
Yeah
JonnorVanGriving
+1
Level 76
Mar 11, 2020
Yeah
Jato
+1
Level 68
Jun 2, 2020
Yeah
mf3
+2
Level 85
Jul 13, 2020
You probably have some in your pocket (in your cellphone).
ddddan
+5
Level 78
Jul 22, 2020
Just out of reach, right?
blizzrd33
+1
Level 76
Jun 21, 2022
And now yellow isn't even one of the colours :) I believe orange is the new yellow.
zakatan
+10
Level 65
Feb 24, 2020
Very hard one. Requires a very good knowledge of the periodic table and then some trivia on top of it.
redsplat
+1
Level 75
Feb 12, 2021
Chemistry is my kryptonite. I guessed my face off and somehow managed to get 16/20, despite not knowing what an atomic number is or actinides, or what element is in what row. Who needs brains when you're born lucky ;)
redsplat
+1
Level 75
Feb 12, 2021
Which makes me think a quiz about fictional elements would be great! Adamantium and kryptonite come immediately to mind.
Creo
+3
Level 32
Feb 27, 2021
Krypton exists though
Majax
+1
Level 50
Apr 7, 2020
100% I'm so proud lol
sumguy
+1
Level 82
Apr 19, 2020
Took me some time to get Iodine, but still managed to finish with 52 seconds left. Excellent quiz.
mf3
+1
Level 85
Jul 13, 2020
I thought that was the easiest of the 4.
ooftownroad
+2
Level 48
Apr 24, 2020
IODINE ALL THE WAY!!!!!
theperiodictable
+3
Level 47
Jun 15, 2020
genuinely the greatest quiz ever created xx
theperiodictable
+18
Level 47
Jun 15, 2020
how kind of u to make a quiz about me
chunkeeguy
+1
Level 76
Jul 14, 2020
More!
mrnafe
+1
Level 80
Jul 14, 2020
Bit tricky that...
Kiwigeokid2007
+1
Level 59
Jul 20, 2020
Hi, nice quiz! The description on the featured page talks about countries rather than elements.
EliotSkyrll
+1
Level 53
Jul 20, 2020
easy! one minute left
EliotSkyrll
+1
Level 53
Jul 20, 2020
P.S. I know that's not fast, but don't comment below telling me your time :) also nice quiz
AlexThirkell
+1
Level 71
May 23, 2021
finished with 2 minutes left
Saundeep
+2
Level 47
Jul 20, 2020
Not to be irritating, but I think it should read 'with 6 letters or fewer in its name'
JackintheBox
+2
Level 75
Jul 20, 2020
Yes, please change 'less' to 'fewer'.
ander217
+1
Level 77
Jul 20, 2020
I scored 13, which is better than I expected considering I had no idea what a transition metal is, nor had I ever heard of

Actinides or Lanthanides. I made some lucky guesses.

ChipOtley
+2
Level 75
Jul 21, 2020
Blue clue number 2: ".. with an atomic above 49" ... is missing "number" (or mass)?
Stewart
+1
Level 68
Jul 21, 2020
Very good spot, thanks! It seems several thousand people read to quickly like me and didn't spot it :P
IntelVoid
+1
Level 67
Jul 24, 2020
I didn't realise you could answer the same element twice 😩
benf415
+1
Level 65
Aug 14, 2020
Are Lanthanides and Actinides not considered transition metals?
Account
+2
Level 58
Oct 1, 2020
lead
SAhit2
+1
Level 15
Dec 10, 2020
this quiz was hard
PokemonGeography
+1
Level 31
Mar 22, 2021
I have a periodic table of elements puzzle and I still didn’t get all of them right! :(
moonshot
+1
Level 48
May 18, 2021
great quiz! Just wondering, how do you put the check mark in the answers column but still have the correct answers within it...if that makes sense.
Stewart
+1
Level 68
May 18, 2021
The easiest way is to separate answers by | (the pipe) in Step 2, this will produce auto typeins in Step 3, separating one answer per line. You can then set this to custom (to make sure it doesn't change) and then go back to Step 2 and change the visible text to be a check character.
GalGonso
+1
Level 55
Mar 24, 2022
Extremely hard, still liked it. I need to review the table for sure.
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Category Elimination

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