Iron
Transition from a liquid to a gas - is evaporation.
Transition
The element with atomic number of 91 is protactinium, Pa. It is an inner transition metal.
Blank is not a name for a chemical element.
Nickel is not an inner transition element.
Cobalt For further information see the related link
Neither. Silver is a transition metal.
any in column 1a, 2a, 3a-8a
Seaborgium is considered a transition metal.
Transition
Copper belongs to the chemical element family of transition metals.
to present the oxidation numbers of transition elements according to IUPAC System.