If the relative molecular mass of an element is not a whole number, it can be deduced that the element is

The atomic number of chlorine is 17. What is the number of electrons in a chloride ion?

Consider the following equation; Cr₂O_7(aq)^2- + 14H⁺_(aq) + 6e^- → 2Cr³⁺_(aq) + 7H₂O_(I). The oxidation number of chromium changes from

Which of the following ions require the largest quantity of electricity for discharge at an electrode?

If two metallic ions of the same concentration migrate to a graphite cathode, the one that would be preferentially discharged is the one that has the