krzem

(a)  

Cn

(a)  

wodór

(a)  

O

(a)  

cyna

(a)  

Fe

(a)  

srebro

(a)  

Cu

(a)  

lit

(a)  

Cr

(a)  

wapń

(a)  

N

(a)  

chlor

(a)  

Au

(a)  

ołów

(a)  

Hg

(a)  

mangan

(a)  

I

(a)  

polon

(a)