To Form An Ion A Sodium Atom - By the end of this section, you will be able to: Define ionic and molecular (covalent) compounds. Web the sodium loses an electron and the chlorine gains an electron. Web a cation (a positive ion) forms when a neutral atom loses one or more electrons from its valence shell, and an anion (a negative. Tell students that when an atom gains or loses an electron,. Or group of atoms with a positive or negative. Web for example, when each sodium atom in a sample of sodium metal (group 1) gives up one electron to form a.
Web a cation (a positive ion) forms when a neutral atom loses one or more electrons from its valence shell, and an anion (a negative. By the end of this section, you will be able to: Web the sodium loses an electron and the chlorine gains an electron. Tell students that when an atom gains or loses an electron,. Define ionic and molecular (covalent) compounds. Or group of atoms with a positive or negative. Web for example, when each sodium atom in a sample of sodium metal (group 1) gives up one electron to form a.