Are elements in the periodic table grouped by their properties?

Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li