20 Elements MatchingVersión en línea Match these 20 popular elements with their Element Symbol. por Kate Friddle 1 Group 1 2 Group 2 3 Group 3 4 Group 4 5 Group 5 6 Group 6 7 Group 7 8 Group 8 9 Group 9 10 Group 10 11 Group 11 12 Group 12 13 Group 13 14 Group 14 15 Group 15 16 Group 16 17 Group 17 18 Group 18 19 Group 19 20 Group 20 H Hydrogen Cl Chlorine C Carbon He Helium N Nitrogen O Oxygen F Flourine Na Sodium Al Aluminum Mg Magnesium Si Silicon S Sulfur P Phosphorus K Potassium Ca Calcium Cu Copper Ag Silver Au Gold Zn Zinc Fe Iron