3
3 O-C=O O=C-O O-C-O O O ll O
Three different resonance structures can be drawn for the sulfite ion (SO3^2-), where the double bond can be placed between sulfur and each of the three oxygen atoms.
There are two resonance structures that can be drawn for O3 (ozone). This is because there is a double bond that can be delocalized between different oxygen atoms, resulting in two possible arrangements of bonds.
There are 2 resonance structures for ozone.
The formula for carbonate is CO3. This means there are 2 elements in carbonate; oxygen and carbon.
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The formula for plumbic carbonate is PbCO3. So there is one carbonate ion (CO3)-2 in the unit formula for PbCO3. A more modern name for this compound is lead (II) carbonate.
The chemical formula of magnesium carbonate is Mg(CO3)2; this molecule contain one ion of magnesium and two ions of carbonate.
The word "drawn" has 1 syllable.
There are 2.54 grams of sodium in 1 gram of sodium carbonate.