Yes they do.
An anion is an atom with negative electrical charge.
The anion has a negative electrical charge and is more chemically reactive than the atom.
A cation has a positive charge and an anion has a negative charge.
No, having four valence electrons does not determine whether an atom is an anion. An anion is formed when an atom gains electrons to have a negative charge. If the atom with four valence electrons gains four more electrons, it would become an anion.
An anion is an atom with a negative charge, not a leaf.
An atom with a charge (either positive or negative) is called an "ion." An ion with a positive charge is called a "cation" and an ion with a negative charge is called an "anion ."
polyatomic anion
anion..
Yes
Anions carry negative charges, Br-
The PO4^3- ion is a polyatomic anion. It consists of a group of atoms with an overall negative charge.
A charged atom is an ion: cation (positive electrical charge) or anion (negative electrical charge). Cations: H+, Na+, Ca2+ Anions: OH-, (SO4)2-, (NO3)-