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Groups 1 and 2 elements that readily lose electrons. Understand the explosive reactivity of lithium, sodium, potassium, calcium, and their drive to achieve stable electron configurations. Lithium seven wants to give Sodium twenty-three can't live With one electron they won't keep Drop in water, reactions leap Group One and Two, the left side fight Losing electrons feels so right One electron out, we break apart Explosive energy, reactive heart Give away our charge, that's how we start Metal liberation, chemical art Potassium thirty-nine ignites Calcium forty burns so bright Cesium one-three-three explodes Barium one-three-seven corrodes Group One and Two, the left side fight Losing electrons feels so right One electron out, we break apart Explosive energy, reactive heart Give away our charge, that's how we start Metal liberation, chemical art Single outer shell Ready for the taking Water contact Violent bond breaking Alkali power Never stable Reactive rebels Periodic table One electron out, we break apart Explosive energy, reactive heart Give away our charge, that's how we start Metal liberation, chemical art One electron out, we break apart Explosive energy, reactive heart