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Elements by Atomic Number

Can you name the first 20 elements of the periodic table?
Quiz by
NK2805
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Last updated: September 30, 2025
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First submittedSeptember 30, 2025
Times taken18
Average score75.0%
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Hint
Answer
1
Hydrogen
2
Helium
3
Lithium
4
Beryllium
5
Boron
6
Carbon
7
Nitrogen
8
Oxygen
9
Fluorine
10
Neon
Hint
Answer
11
Sodium
12
Magnesium
13
Aluminum
14
Silicon
15
Phosphorous
16
Sulfur
17
Chlorine
18
Argon
19
Potassium
20
Calcium
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