Which term indicates how strongly an atom attracts the electrons in a chemical bond

Aforce of attraction/repulsion due to the spin of electrons what is this force?

When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.

How many moles does 80.0 h2o respresent