Question

silver bromide is a binary ionic compound. it is used in black - and - white photography. write the chemical formula for silver bromide. refer to a periodic table.

Explanation:

Step1: Identify ion charges

Silver (Ag) has a +1 charge and bromine (Br) as bromide ion has a - 1 charge in ionic compounds.

Step2: Write the formula

For a binary ionic compound, the charges of the ions must balance. Since the charges of Ag⁺ and Br⁻ are equal in magnitude but opposite in sign, the chemical formula is AgBr.

Answer:

AgBr