Mari is examining a sample of a fine white crystalline substance. which test will demonstrate that she is looking at a compound rather than an element?
A when placed over a Bunsen burner, the substance burns with a colored flame
B careful measurment reveals that the substance's melting point is 884 C.
C chemical analysis shows that the substance contains sodium and sulfur.
D The substance looks like table salt and Maria remembers that table salt is a compound with sodium in it.
2007-08-16 07:51:56 · 3 answers · asked by CHRIS 1 in Science & Mathematics ➔ Chemistry
one last question...Which statement concerning decomposition is true?
A Atoms can decompose into componds
B Elemnts can decompose into componds
C A compond can be decomposed into simpler substances by using a filter
D all
E none
2007-08-16 07:56:42 · update #1
C. If its both sulfur and sodium then its a compound.
2007-08-16 07:55:32 · answer #1 · answered by Anonymous · 0⤊ 0⤋
heres explaining:
http://www.youtube.com/watch?v=eypYzuArqqA
2007-08-16 07:54:10 · answer #2 · answered by Anonymous · 0⤊ 0⤋
D
2007-08-16 07:55:22 · answer #3 · answered by bjg76522 2 · 0⤊ 0⤋