Notes

HYDROGEN (H), LITHIUM (Li), BERYLLIUM (Be), SODIUM (Na), MAGNESIUM (Mg), POTASSIUM(K), CALCIUM (Ca), RUBIDIUM (Rb), STRONTIUM (Sr), CESIUM (Cs), BARIUM(Ba), FRANCIUM(Fr), RADIUM(Ra) are the names of the elements of the s-Block.

HYDROGEN (H), LITHIUM (Li), BERYLLIUM (Be), SODIUM (Na), MAGNESIUM (Mg), POTASSIUM(K), CALCIUM (Ca), RUBIDIUM (Rb), STRONTIUM (Sr), CESIUM (Cs), BARIUM(Ba), FRANCIUM(Fr), RADIUM(Ra) are the names of the elements of the s-Block.