The Periodic Table

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PLQNLEIAXOGPMZUUWKKG ANILEABFNCIRDVALENCE MTLYZUCVWBKDUPWALJEK RSSUNTTKOEVYISNKIVZW WNDENJXRHESPRSODIUMQ SAOTLBVAOQHMENDELEEV MQISVENYPNREMETALSTY OVRSTOMQNCSTGXVTBCIR TSENHDCEJOMAQJGSYVKP ANPEUICANUELXNRAEQZR ZOZGWAKMFTNLWFOALGTV CTROBGIPMPIOYLUCEACH COSLLRRFKICIWYPICLUS ARMAIABVYSGDUSSQTKDR TPRHYMIMOVNSSXVFRABH ONONMETALSFVXQQBOLPO MTIHVAXCRVRZBMHRNANB IDBVMBWHYDROGENPSIVY CHEMICALPROPERTIESSV DDENNKKZDIILXPHMNYXG
1.
Valence
2.
Atoms
3.
Neutrons
4.
Protons
5.
Electrons
6.
Metalloids
7.
Metals
8.
Nonmetals
9.
Hydrogen
10.
Sodium
11.
Groups
12.
Periods
13.
Bohrs
14.
Mendeleev
15.
Diagram
16.
Chemicalproperties
17.
Element
18.
Alkalai
19.
Halogens
20.
Atomic