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1 kolumna:
H2SO4 - 2*1 + 32 + 4*16 = 98u
H3PO4 - 1*3 + 31 + 16*4 =98u
2 kolumna:
CO - 12 + 16 = 28u
N2 - 14*2 = 28u
C2H4 - 2*12 + 4*1 = 28u
3 kolumna:
C4H10 - 4*12 + 10*1 = 58u
KF - 39 + 19 = 58u
4 kolumna:
AlH3 - 27 + 3*1 = 30u
HCHO - 1 + 12 + 1 + 16 = 30u
CO = 12u + 16u = 28u
H₃PO₄= 1u x3 + 31u + 16u x 4 = 3u + 31u + 64u = 98u
C₄H₁₀= 58u = 12u x 4 + 1u x10 = 48u + 10u = 58u
N₂=14u x 2 = 28u
C₂H₄= 12u x 2 + 1u x4 = 24u + 4u = 28u
KF = 39u + 19u = 58u
AlH₃= 27u + 1u x 3 = 27u + 3u = 30u
HCHO = 1u + 12u + 1u + 16u = 30u
tabela pierwsza kolumn a
H₂SO₄= 98u
H₃PO₄=98u
2- ga kolumna
CO = 28u
N₂=28u
C₂H₄= 28u
3-cia kolumna
KF = 58u
C₄H₁₀= 58u
4-ta kolumna
AlH₃= 30u
HCHO = 30u
u = masa cząsteczkowa