Which substances have atoms of the same element but different molecular structures?
A. He(g) and Ne(g)
B. K(s) and Na(s)
C. O2(g) and O3(g)
D. P4(s) and S8(s)
A. He(g) and Ne(g)
B. K(s) and Na(s)
C. O2(g) and O3(g)
D. P4(s) and S8(s)