The Atom, Periodic Table and Chemical Reactions

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GOIYUULKPAXJJKDTVVCM UNPDFWMETALSPERIODIC UOCPEURSJTNEYFHNOTIC DNQERXJZBNTSCGQXCGBL UMEJSSPDIFJUCRNTNVIJ OECSGADFAPLWIOBIQHDB STNSBPPWNSNULUIMSLZS NAMLJHEREBHXLPIETUHP OLCSXQAROVJNASDTNLYF RSANKXAWITWQTWSAEWGB TXEOOYQDJOOXEEULMKTH CUYRWLZHSKDNMXELEJNX EZSTEMWJDQWSSJLOLJMQ LOWUWXIEFLDYRACIEMGN EXMEZIDWVZRKBIUDDGNU CYONXCAEWBDGXONSWLXN IOTZGCOVALENTNXUCZOP IKAIQHIBCYVJDICWKRRR DGUWBNASHWHKLCKXOHVB ODVARUBPHUJCLLHWRYQJ
1.
Atom
2.
Nucleus
3.
Protons
4.
Neutrons
5.
Electrons
6.
Periodic
7.
Elements
8.
Periods
9.
Groups
10.
Ionic
11.
Covalent
12.
Metallic
13.
Metals
14.
Metalloids
15.
Nonmetals