object(stdClass)#188 (6) { ["pageType"]=> string(4) "quiz" ["pageId"]=> int(1174190) ["pageOwner"]=> int(274632) ["pageUrl"]=> string(0) "" ["language"]=> string(7) "english" ["disabled"]=> bool(false) } First 20 elements

First 20 elements

Type the first 20 periodic elements into the quiz
Quiz by maddik
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Last updated: February 6, 2018
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First submittedFebruary 6, 2018
Times taken475
Average score75.0%
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No.
Answer
1
Hydrogen
2
Helium
3
Lithium
4
Beryllium
5
Boron
6
Carbon
7
Nitrogen
8
Oxygen
9
Fluorine
10
Neon
No.
Answer
11
Sodium
12
Magnesium
13
Aluminium
14
Silicon
15
Phosphorus
16
Sulfur
17
Chlorine
18
Argon
19
Potassium
20
Calcium
+1
Level 67
Dec 21, 2018
nice quiz, not bad I only missed 4 ( and I am bad at the subject)