Consider the successive ionisation energy for an element 'A' . `IE_(1) , IE_(2) , IE_(3) , IE_(4), IE_(5)` are 100 eV , 150 eV , 181eV , 2000 eV , 2200 eV . Select correct statement (s) for element 'A' :

Options

A. Element 'A' may be metal
B. Element 'A' may from trivalent cation
C. Oxide of element 'A' may be amphoteric
D. Element 'A' may be non-metal

Answer

A, B, C, D