I think physical
Vanadium is a chemical element with the symbol V and atomic number 23. It is a transition metal with a silvery-gray appearance. Some of its key physical and chemical properties include being relatively hard, having a high melting point, and forming various oxidation states in compounds.
V2Se5 is the formula for vanadium V selenide.
The chemical name for V3N2 is vanadium nitride. This compound consists of three vanadium (V) atoms and two nitrogen (N) atoms. Vanadium nitride is a binary compound formed between vanadium and nitrogen, with a 3:2 ratio of vanadium to nitrogen atoms.
PV = vanadium phosphide.
VI3 is the chemical formula of vanadium iodide.
The chemical formula for vanadium III is V3+ and for iodine, it is I2.
The chemical formula for vanadium(III) bromide is VBr3.
This compound is vanadium trichloride.
The chemical formula VCl5 is called vanadium pentachloride.
Vanadium and copper have metallic bonds.
The chemical formula for vanadium acetate is V(CH3COO)3. It consists of one vanadium atom bonded to three acetate ions.
The chemical name for V(CO3)2 is vanadium(III) carbonate.