In mochtic itlapoal in yolxictzintetl in quipiya ceh nantzintetl motoca nacayoyotlapoalli . Mihcuiloa in iicpac ihuan in iopoch in nantzintetlitlapoal, in ica in caquizchiotl A. Ic, in nacayoyotlapoalli in ihuic in atzintetl ca 1 (1H), ihuan in ihuic in tonaltzintel, 4 (4He).