what-is-a-key-difference-in-determining-valence-electrons-for-transition-metals-

Question

What is a key difference in determining valence electrons for transition metals compared to main group elements?

Accepted Answer

Transition metals' valence electrons include s and d electrons.

Answer

Transition metals' valence electrons are equal to their atomic number.

Answer

Transition metals' valence electrons are only in the p orbital.

Answer

Transition metals have no valence electrons.