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Periodic Table of Elements #1-20

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xedepayu's version from 2015-04-15 14:14

Section 1

Question Answer
1 -- HHydrogen
2 -- HeHelium
3 -- LiLithium
4 -- BeBeryllium
5 -- BBoron
6 -- CCarbon
7 -- NNitrogen
8 -- OOxygen
9 -- FFluorine
10 -- NeNeon
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Section 2

Question Answer
11Sodium
12Magnesium
13Aluminum
14Silicon
15Phosphorus
16Sulfur
17Chlorine
18Argon
19Potassium
20Calcium
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