This compound is potassium sulfide - K2S.
K3N is not an element. It is a compound known as potassium nitride.
More correct KCl is the formula unit of potassium chloride.
the difference is that the formula does not have the same categories as the chemical compound does
The Chemical Formula for Potassium Ion is K+.
Potassium oxide is a compound. Compounds are pure substances that contain more than one type of atom. Since potassium oxide contains potassium and oxygen atoms, it is a compound. Elements are pure substances that contain only one type of atom, such as oxygen gas.
KCl
KBr
KNO2
Potassium and bromine form the ionic compound potassium bromide with the chemical formula KBr.
The potassium bromide is an ionic compound.
Potassium chlorate is a compound containing potassium, chlorine and oxygen, with the chemical formula KClO3.
KI or potassium iodide. See the related link for more information.
Potassium is K and Phosphorous is P. A compound formed from them is Potassium Phosphide which is K3P
K3N is not an element. It is a compound known as potassium nitride.
The name of the compound with the formula KClO3 is "potassium chlorate".
K3P is the chemical formula. The name of this compound it potassium phosphide.
More correct KCl is the formula unit of potassium chloride.