Relier Pairs Chemical Elements Matching GameVersion en ligne Match chemical elements with their properties and uses in this fun educational game! par Scout Achievement Day Games 1 Sodium 2 Oxygen 3 Helium 4 Gold 5 Hydrogen 6 Carbon 7 Iron 8 Chlorine Precious metal, non-reactive Used in water purification Noble gas, lighter than air Common metal in construction Basis of organic life Essential for respiration Lightest element Reactive alkali metal 1 Sodium 2 Chlorine 3 Gold 4 Oxygen 5 Helium 6 Iron 7 Carbon 8 Hydrogen Reactive alkali metal Key component of hemoglobin Lightest element Foundation of organic life Essential for respiration Second lightest element Precious metal, Au Used in disinfectants 1 Ok No