Thursday, May 31, 2018

halacha - Learning laws of aveilut when your parents are alive?


Is it appropriate to learn the laws of aveilut when both your parents are alive? Or is there a superstition that it could be dangerous to them?




No comments:

Post a Comment

periodic trends - Comparing radii in lithium, beryllium, magnesium, aluminium and sodium ions

Apparently the of last four, $\ce{Mg^2+}$ is closest in radius to $\ce{Li+}$. Is this true, and if so, why would a whole larger shell ($\ce{...