Atomic mass 1

Atomic mass: Period 1-2
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HermioneMitchell
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Last updated: February 7, 2023
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First submittedFebruary 7, 2023
Times taken23
Average score20.0%
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Periodic table atomic mass quiz
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Answer
Hydrogen
1,008
Helium
4,0026
Lithium
6,938
Beryllium
9,012
Boron
10,806
Carbon
12,0096
Nitrogen
14,0064
Oxygen
15,999
Fluorine
18,998
Neon
20,1797
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1 Comments
+1
Level 27
Oct 9, 2025
I love balls