There are two atoms of Bromine (Br) and one atom of Copper (Cu) in this compound. Thus, there are two elements, but three atoms.
There are two elements in CuBr2. These are copper and bromine.
Zn + CuBr2 = Cu + ZnBr2
14 elements.
3 Elements is the Answer
There are about 92 elements in the crust.
The current periodic table contains 118 elements, as of April 2010, but many more may still be discovered.
Zn + CuBr2 = Cu + ZnBr2
The percent composition for CuBr2 is: Cu= 28.45% Br= 71.55%
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Cupric bromide
Copper (II) Bromide
Formula: CuBr2
It is Copper(II) bromide = CuBr2
It is a single displacement reaction. No balancing is needed in the resulting equation. Zn + CuBr2 ----> ZnBr2 + Cu
Na3PO4+CuBr2=Cu3(PO4)2+NaBr PO4 has a charge of -3 and Cu (in this equation as shown by CuBr2) has a charge of +2, when they combine you switch the chareges and add them on as subscripts to each other. Na and Br have the opposite charges, -1 and +1, so you don't have to add them to the equation.
Cu+2 Br-1