Question

What must be subtracted from 10pq+8rs to obtain 7pq-3rs
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Answer with solution

Answer 1

Step-by-step explanation:

Ionic compounds can be more difficult. Iron is a metal and oxygen (oxide) is a nometal; therefore, iron(III) oxid is an ionic compound. Thus, the nomenclature rules for ionic compounds are used.

Answer 2

Answer:

3pq + 11rs

Step-by-step explanation:

  10pq + 8rs

(-)  7pq  - 3rs

   (-)      (+)    

    3pq + 11rs