Transition metals can have variable oxidation states, so charges are determined based on the overall charge of the compound or complex. The charge on the metal is often calculated by considering the charges on the ligands and balancing them with the overall charge on the compound. Oxidation state rules and knowledge of common oxidation states for transition metals can also help assign charges.
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Transition metals typically form cations with various charges due to their ability to lose different numbers of electrons. Common charges for transition metals include +1, +2, +3, and higher. The charges are not fixed and can vary depending on the specific element and the chemical environment.
Transition metals most often form ions with multiple charges due to their variable oxidation states.
Transition metals such as iron, copper, and chromium can form cations with varying positive charges due to the presence of multiple oxidation states. This characteristic allows these metals to exhibit different valence states and form complex ions with varying charges.
One key physical difference between transition metals and poor metals is that transition metals have high melting and boiling points compared to poor metals. Transition metals also tend to be more malleable and ductile, while poor metals are typically softer and have lower melting points.
Iron (Fe) and Copper (Cu) are two common transition metals.