Americium (Am) is an actinide element, and like other actinides, it tends to form ionic bonds with nonmetals. Here's why:

* Metallic Character: Americium is a highly metallic element, meaning it readily loses electrons to achieve a stable electron configuration.

* Electropositivity: Americium is highly electropositive, meaning it has a strong tendency to lose electrons and form positive ions (cations).

* Oxidation States: Americium exhibits multiple oxidation states, with +3 being the most common.

Types of Bonds with Nonmetals:

* With halogens: Americium forms ionic halides like americium trifluoride (AmF₃), americium trichloride (AmCl₃), americium tribromide (AmBr₃), and americium triiodide (AmI₃).

* With oxygen: Americium forms ionic oxides like americium(III) oxide (Am₂O₃) and americium dioxide (AmO₂).

* With sulfur: Americium forms sulfides like americium sulfide (Am₂S₃).

Important Notes:

* Radioactivity: Americium is a radioactive element, and handling it requires special precautions.

* Reactivity: Americium is highly reactive and can form compounds with various nonmetals.

* Complexity: The chemistry of americium can be complex due to its multiple oxidation states and the presence of radioactive isotopes.

Therefore, americium primarily forms ionic bonds with nonmetals, resulting in compounds like halides, oxides, and sulfides.