Compact notation for chemical compounds giving element symbols and counts, including empirical formulas, molecular formulas, and condensed formulas.
português
fórmulas químicas catalão
fórmula química 1
Water is the only substance on Earth whose chemical formula has entered the vernacular.
2
The first is the chemical formula for ammonia: the second, for water.]
3
The secret of this chemical formula is kept by a single race of Mahars.
4
There was no danger of their forgetting Mr. Hennessey and his secret chemical formula.
5
Not one of them could read the simplest chemical formula!
6
The chemical formula for a diamond is C. Diamonds score a 10 on the Mohs scale.
7
With the chemical formula NH4NO3, it is used mainly for fertilising farmland.
8
Many use chemical formula to imitate the effects of traditional illicit drugs such as cannabis, ecstasy and amphetamines.
9
As nearly as I could make it out, the paper contained part of a typewritten chemical formula, which read:
10
He later defected to the US, where he published the chemical formula in his book, State Secrets, the BBC reports.
11
Or to be more specific it has the chemical formula: C 13 H 16 N 2 .
12
The chemical formula for an emerald is Be 3 Al 2 (Si 6 0 18).
13
Every witty remark, then, lends itself to an analysis, whose chemical formula, so to say, we are now in a position to state.
14
The precise effects are likely to depend on the chemical formula and, probably more importantly, on the concentration of the substance in the product.
15
The world would be a better place if we knew the chemical formula for the relationship between the Australian Chamber Orchestra and its lead violin(...)
16
Would I ever unsee that room, looped with the graffiti of chemical formulas?
espanhol
