IIT JEE , AIEEE Forum - Chemistry , Inorganic Chemistry - hiiiiiii some1 usin J D LEE pls helppppppppppp!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

shipra22_bhardwaj

hi frnds

if u r usin J D LEE pls tell me

1. wat is sylivite [page-276] & sylivinite[276]

2.on page 277 ii para [All of ----------------------------existenxe]

wat is de meanin of lat two lines

pls tell its urgent

ruhi

sylvite is kcl n sylvinite is mix. of kcl n nacl

ruhi

see in that para it is written that all the elements heavier than Bi r radioactive means they r unstable........radioactive decay ho jata hai.....got that........so thats y they dont occur in nature

shipra22_bhardwaj

hi ruhi

tat was clear to me but i was confused in last 2 lines of de same para if u 'll clear tat den i'll b grateful to u

but still thanx for anserin

ruhi

that means........if some of the elements were present when the earth was formed then due to there short life period they will ve disappeared...........

iitkgp_bipin

Sylvite is KCl.
Sylvinte is a mixture of sylvite (KCl) and halite (NaCl).

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