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Level 2

Molecuulformules van niet ontleedbare stoffen


7 words 0 ignored

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broom
Br2(l)
chloor
Cl2(g)
fluor
F2(g)
jood
I2(s)
stikstof
N2(g)
waterstof
H2(g)
zuurstof
O2(g)