For a hypothetical element, the force of attraction between a monovalent anion and a divalent cation is 6.02 * 10-9N. If the ionic radius of the cation is 0.040 nm, what is the anion radius?

How to convert a density of 0.791g/cm3 to lb/ft3

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.