bairespatty4 bairespatty4
  • 23-10-2019
  • Chemistry
contestada

which formula contains two non- metals?

BaO
NaBr
KI
Si O2​

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rachel2k
rachel2k rachel2k
  • 23-10-2019
SiO2 is the only possible choice because the other formulas contain metals. how do we know this? because the other formulas contain elements located on the left of the “staircase” on the periodic table that separates metals from non-metals.
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