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Which formula contains two non- metals? BaO NaBr KI Si O2​
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4 votes
Which formula contains two non- metals?

BaO
NaBr
KI
Si O2​

User Thobens
by
8.1k points

2 Answers

7 votes

The answer is SiO2

User Henri Kerola
by
8.2k points
3 votes
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.
User Jerod Johnson
by
8.2k points
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