It depends but most are negative, e.g. nitrite, sulfate, nitrate, sulfite, chlorite, phosphate, phosphite, permanganate, chromate, dichromate etc. There are however, polyatomic ions that are positively charged.
An ionic compound with polyatomic ions is formed through the attraction between positively charged metal ions and negatively charged polyatomic ions. Polyatomic ions are covalently bonded groups of atoms that have an overall charge, making them act as a single charged unit in the formation of ionic compounds.
Most polyatomic ions have a negative charge. There are only 2 positive polyatomic ions; Mercury(I) ion and Ammonium ion. False.
In ionic compounds, the positively charged ions (cations) come first in the chemical formula, followed by the negatively charged ions (anions). The cation is usually a metal or a positively charged polyatomic ion, while the anion is typically a nonmetal or a negatively charged polyatomic ion.
Na2O is ionic and consists of Na+ and O2- ions.
Ions are charged particles formed by gaining or losing electrons, while polyatomic ions are charged groups of atoms that remain together and carry a net charge. Polyatomic ions contain multiple atoms bonded together, whereas ions can be a single atom or a group of atoms.
There is no such thing. There are polyatomic ions, which are positively or negatively charged, covelantly bonded groups of atoms, though.
Ionic bonds. These bonds are formed through the transfer of electrons between atoms, resulting in the formation of charged particles known as ions within the polyatomic ion. The attraction between the positively and negatively charged ions holds the polyatomic ion together.
polyatomic
Polyatomic ions are charged substances that contain more than one atom. These ions are formed when a group of atoms gain or lose electrons to achieve a stable electronic configuration. Examples include sulfate (SO4^2-) and ammonium (NH4^+).
polyatomic
A polyatomic ion is charged and will form ionic bonds; for example, the sulfate ion SO42- forms many compounds, such as sodium sulfate. The bonds holding polyatomic ions together are covalent.
Polyatomic ions can have both ionic and covalent bonds. Ionic bonds are formed between the positively and negatively charged ions within the polyatomic ion, while covalent bonds are formed by sharing electrons between the atoms within the polyatomic ion.