Chemistry word search

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PXZZJFZNCMKVJEJ QSHKRMUHIJSQSLF GTRKSKQWVMFOPJL YGGRHGKXJOUADKI ZVNEUTRONSHELLS DZMIDDLEGPINDZA QYNELEIJGFSNUSM PROTONUCLEUSWQH XAXKUKZBYWQVTUO CHEMISTRYMHBEHU VFYXMBDLYYNCMWP ATOMWVTTMMPKHLD PERIODICTABLEBO UPFQTXIIQOHQOXE ELECTRONBVSUPVU
1.
atom
2.
periodictable
3.
proton
4.
electron
5.
neutron
6.
nucleus
7.
middle
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shell
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chemistry