Does anyone think they can help me with my regents practice question?

What were the success and failures that came to boyle’s excitements?

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)