Question

A) pick the odd one out. Give scientific reason for your answer
i) Nucleus, energy level, atoms, electrons
ii) Carbon, protium, Deurterium, Tritium.
iii) Helium ,Neon, chlorine,Agron
iv) Sulphur, Iron,Lead,Phosphour​

Answer 1

1) energy level- all the other mentions are related to atom and its components while energy level is not related to it.

2) Carbon- all the other mentions are names of different chemical substances while carbon is not relates to it.

3) chlorine- all the other mentions are names of gases while chlorine is a chemical substance.

4) Iron- All the other mentions are Non Metallic minerals while Iron is a metallic mineral.