The names of monatomic anions are formed by replacing the ending of the name of the element with

The answer is - ide.

That is how you name the anions in a ionic compound, you replace the ending of the name of the element with ide.

Some examples:

Ionic compound            anion            name of the anion

NaCl                                Cl-                 chloride

KF                                    F-                  fluoride

NaI                                   I-                    iodide

CaBr2                              Br-                 bromide

Adozen is 12, and your needing to calculate the weight of one medium egg, so i would do 21/12=1.75 per egg, and check your answer by doing 1.75 * 12= 21 : ) : ): ): ): ) i hoped i