1st 20 Elements in Order (Symbols)

Enter all of the symbols of the 1st 20 elements of the periodic table in order.
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Waikareiti
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Last updated: April 12, 2024
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First submittedApril 12, 2024
Times taken158
Average score95.0%
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Atomic #
Symbol
1
H
2
He
3
Li
4
Be
5
B
Atomic #
Symbol
6
C
7
N
8
O
9
F
10
Ne
Atomic #
Symbol
11
Na
12
Mg
13
Al
14
Si
15
P
Atomic #
Symbol
16
S
17
Cl
18
Ar
19
K
20
Ca
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1 Comments
+1
Level 82
Apr 12, 2024
This doesn't really work - it needs to be yellow box. Otherwise you don't have to do it in the correct order. In fact you can't - because when you attempt to type number 4 (Be), number five (B) appears instead. Also Sulphur appears when you try to enter Silicon.