What is the formula formed by a copper (II) cation and a nitride anion?

1 Answer
oscitare
May 12, 2018

#3"Cu"^(color(red)(2)+)+"N"^(color(blue)(3)-)rarr"Cu"_color(blue)(3)"N"_color(red)(2)#

Explanation:

The copper(II) cation has a charge of positive 2.
The nitride anion has a charge of negative 3.

It is a synthesis reaction (#A+B=AB#).

Using the criss-cross method, determine the number of atoms in the product.

  • Copper(II) has a charge of positive 2, therefore there will be 2 nitrogen atoms.
  • Nitride has a charge of negative 3, therefore there will be 3 copper atoms.
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