• # question_answer An elements is in ${{M}^{3+}}$ form. Its electronic configuration is $[Ar]3{{d}^{1}}$ the ion is [JIPMER 2002] A) $T{{i}^{3+}}$ B) $T{{i}^{4+}}$ C) $C{{a}^{2+}}$ D) $S{{c}^{+}}$

$(Ar)\,\,3{{s}^{1}}+3=Ti$, it means ${{M}^{3+}}$ form $T{{i}^{3+}}$ ion.