Atoms, Elements and The Periodic Table

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WKCEQNOTORPHCZFFDCYR UESEDIXORDYHAACDLZWW SRGLSDOIREPSXLSRBYDM CNCRAUMWNJWOJZOZBXLZ VOSAFTEQWEHFPIEGTWMW YNPHLIELEORTHWEUEKKD RMOREKZMEXKTBKNCJNSZ VEBOOLAZNMCIEVCMFPSS ETASWPLLIOEIJZKDUXUL EASCJGERININTHNOQXEA LLENTHTRYMGTTPRCFIJT ESSNOIKYTQEDIGEJSOZE DWACSRVRIIVTASNSNTUM NZGUEZTIHBETAHNOITMB EDEOTQNUTAQSYLRAOTPY MRLMJNAXEYTUZTSXRXNG JABSEDIXONBOCPNKJTBA MHOLJVDCAHIEMPJGXERD MLNMBBXMHTLVPBSNDPJV FKXCOLOUREDCOMPOUNDS
1.
atom
2.
electron
3.
proton
4.
neutron
5.
shell
6.
element
7.
alkalimetals
8.
halogens
9.
noblegases
10.
transitionmetals
11.
metals
12.
nonmetals
13.
mendeleev
14.
groups
15.
periods
16.
properties
17.
reactivity
18.
inert
19.
colouredcompounds
20.
hard
21.
soft
22.
fizzing
23.
antiseptic
24.
hydroxides
25.
oxides