Proper use of siblings. My understanding is that siblings, though not often used, refers to brothers and sisters, but my question is whether I can include myself in this term. In norwegian this would be correct when using the word sÃ¸sken.
The definition of kryptonite is Superman's ultimate weakness, or anything that causes someone's ultimate weakness. An example of kryptonite is the one food a person is seriously allergic to. kryptonite
Word Origin: Greek kryptos: hidden. Isotopes: There are 30 known isotopes of krypton ranging from Kr-69 to Kr-100. There are 6 stable isotopes: Kr-78 (0.35% abundance), Kr-80 (2.28% abundance), Kr-82 (11.58% abundance), Kr-83 (11.49% abundance), Kr-84 (57.00% abundance), and Kr-86 (17.30% abundance).