Seudónimo Seudónimo

03-03-2019
Chemistry

contestada

Which set of elements have similar physical and chemical properties?

carbon, nitrogen, oxygen

helium neon, argon

hydrogen, lithium, beryllium

fluorine, chlorine, oxygen

Respuesta :

Аноним Аноним

03-03-2019

my answer would be

fluorine, chlorine, oxygen

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