12. AcetateGlass Wool Cat’s fur, human hair Calcium, Magnesium, Lead Silk Aluminum, Zinc Cotton Wax Ebonite Plastic (Polyethylene) Carbon, Copper, Nickel Rubber Sulfur Platinum, Gold Gains Electrons -The electrostatic series shows how things become charged when they are rubbed together. -Items at the top of this list hold electrons very weakly and tend to lose them and become positive -Items near the bottom hold electrons very well and tend to gain them and become negative