Identify which classification each element belongs to:
A. Alkali Metal
B. Alkaline Earth Metal
C. Pnictogen
D. Chalcogen
E. Halogen
F. Noble Gas
G. Transition Metal
H. Inner Transition Metal
I. Representative Element
J. Lanthanide
K. Actinide
1) Mg
2) H
3) Cl
4) No
5) P
6) Fe