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because if you were to write PB then it would be a compound not a single element while Pb is lead.
This is the formula for Copper (II) Oxide Copper has two possible oxidation numbers (+2 or +1) since there are no written subscripts for in the formula CuO, copper's oxidation number must have been +2 (If it had been +1, the formula would be Cu2O and the name of the compound woould be Copper (I) Oxide)
Formula: Li2O
The compound in group 7A and third period is Bromine or Br. The dot of this would be . . :Br. . . The compound in group 7A and third period is Bromine or Br. The dot of this would be . . :Br. . .
write
It is written as Na2CO3. It is a base compound.
We don't know who did this, but we'll figure it out soon.
The formula for lithium oxide is Li2O.
Thionitrous acid is the answer, but I would write it as HSNO.
Compound subject: Michelle and Diego Compound predicate: wanted to write poems
Well for sodium chloride, it would be NaCl
It would be written as 0.00517
The shorthand way to write a compound is by using chemical formulas or symbols. For example, water is written as H2O, where "H" represents hydrogen and "O" represents oxygen. Another compound, carbon dioxide, is written as CO2, where "C" represents carbon and "O" represents oxygen.
adjective - Many plants have compound leaves.noun - The prisoners have one hour in the compoundeveryday.verb - Arguing will just compound the problem.
because if you were to write PB then it would be a compound not a single element while Pb is lead.
It would be written as 0.045.
It would be written as 샤이니