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Year 9 Science 1.6 Chemical change 2: Conservation of mass
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Periodic table
1 H 1 4 He 2
7 Li 3 9 Be 4 11 B 5 12 C 6 14 N 7 16 O 8 19 F 9 20 Ne 10
23 Na 11 24 Mg 12 27 Al 13 28 Si 14 31 P 15 32 S 16 35 Cl 17 40 Ar 18
39 K 19 40 Ca 20 45 Sc 21 48 Ti 22 51 V 23 52 Cr 24 55 Mn 25 56 Fe 26 59 Co 27 59 Ni 28 64 Cu 29 65 Zn 30 70 Ga 31 73 Ge 32 75 As 33 79 Se 34 80 Br 35 84 Kr 36

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