Pickles are made by soaking cucumbers in a mixture of table salt (sodium chloride), water, and spices. If you place a cathode and anode at either end of the pickle, it will light up. Why does this happen, and why won't the experiment work if you plug in a plain cucumber instead?

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

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