1.AIH3O3
2.Na2O4S
3.BrLi
4.KF
5.MgN2O6
6.Sr3N2
7.CaCO3
All numbers should be subscripts
Answer:
Buckminsterfullerence is called an allotrope of carbon because it was discovered during an experiment involving a cluster of beam which uses laser to vapourise a graphite rod in a helium atmosphere to produce carbon plasmas.a mass sectrometry evidence from the experiment showed that carbon molecules with C60 were forming with a spheroidal geometry.so therefore it was included as an allotrope of carbon.
English please ..I don't understand this.