0 The structures above are an example of
O isomers
O isotopes
O ionic bonds
O resonance structures

Its the second one nonmetals are moldable and easily shaped 

The question is incomplete. complete question is attached belowanswer: correct answer is option b  i.e.  solid particles  reason: filter paper has small pores, through which smaller particles can pass through. however, solid particles  have relatively larger size. hence, they are least likely to pass through.