Fluorine is the most reactive element on the periodic table and readily combines with most other elements, both metals and nonmetals. Here's a breakdown:

Common combinations:

* Metals: Fluorine forms ionic compounds called fluorides with most metals. These are generally strong electrolytes and can be highly reactive.

* Examples: Sodium fluoride (NaF), Calcium fluoride (CaF2), Aluminum fluoride (AlF3)

* Nonmetals: Fluorine forms covalent compounds with other nonmetals. These can be gases, liquids, or solids, depending on the other element involved.

* Examples: Hydrogen fluoride (HF), Fluorine gas (F2), Sulfur hexafluoride (SF6)

Specific examples:

* Hydrogen: Forms hydrogen fluoride (HF), a highly corrosive acid.

* Carbon: Forms various fluorocarbons (like Teflon), often used for their non-stick properties.

* Nitrogen: Forms nitrogen trifluoride (NF3), used in electronics manufacturing.

* Oxygen: Forms oxygen difluoride (OF2), a powerful oxidizing agent.

Things to keep in mind:

* Reactivity: Fluorine's high reactivity means reactions with it can be explosive or dangerous. Special safety precautions are necessary when handling fluorine or its compounds.

* Bonding: Fluorine forms very strong bonds with other elements due to its high electronegativity, leading to stable compounds.

Let me know if you want to know more about specific fluorine compounds or their applications!