What are the valence electrons of titanium?

Valence electrons:

• The electrons present in the outermost shell of an atom are known as the valence electrons.

Titanium $\left(\mathrm{Ti}\right)$:

• Titanium is a transition metal that belongs to the d-block element.
• The atomic number of Titanium is $22$.
• The electronic configuration of Titanium is $\left[\mathrm{Ar}\right]3{\mathrm{d}}^{2}4{\mathrm{s}}^2$.
• The valence electrons of Titanium are $4$, i.e. the total of electrons present in the outermost shell.