the table gives the composition of three particles
(a) what is the evidence in the table for each of the following?
(i)Particle A is an atom
(ii) A,B and C are all particles of the same element.
(iii) Particles A and C are isotopes of the same element.
(b) (i) What is the electronic structure of particle A?
(ii) Is element A , a metal or non-metal? Give a reason for your choice
