Question

What is the chemical formula for ammonium tetraborate?

Answer 1

`(NH_4)_2B_4O_7`

Explanation:

`(NH_4)_2B_4O_7`
Ion tetraboric is`B_4O_7^(2-)` since B have oxidation number = +3 and O =-2
ammonium is `NH_4^+`