Cations (positively-charged ions) and anions (negatively-charged ions) are formed when a metal loses electrons, and a nonmetal gains those electrons. But most anions are large, as is the most common Earth anion, oxygen. Nitrogen doesn't start out as a cation/anion, but it is in group 5A, so it has five valence electrons. From this fact it is apparent that most of the space of a crystal is occupied by the anion and that the cations fit into the spaces between them." That includes carbon. You can often […] A metal reacts with a nonmetal to form an ionic bond. Some may become ions through chemical reactions. Anions are the negative ions formed from the gain of one or more electrons. NH4+ is an ion (or cation, called ammonium) that can form compounds, and contains the elements N (nitrogen) and H (hydrogen). Anonymous. Update 2: THANKS!!!!! Relevance. Combining cations and anions to form binary inorganic compounds is simple. So NH3 combines with H+ to give NH4+. Examples include the name of water, H 2 O, which is dihydrogen monoxide, and the name of NO, which is nitrogen dioxide. NH 3 is a neutral molecule, in this one nitrogen atom is covalently bonded to three hydrogen atoms. therefore a charge of -3. No element is a cation or an anion. The same prefixes are applied to indicate the quantities of cation or anion atoms. However, nitrogen has two nonbonded electron pairs on it that can attach to a hydrogen ion (H+). To become stable (have a complete octet), it either has to lose five electrons or gain three. Favorite Answer. Cations and anions are measured by their ionic radius and they differ in relative size: "Cations are small, most of them less than 10 −10 m (10 −8 cm) in radius. When nonmetal atoms gain electrons, they often do so until their outermost principal energy level achieves an octet. This entire charge cluster is called the ammonium ion, and it IS a cation. 7 Answers. This process is illustrated below for the elements fluorine, oxygen, and nitrogen. The ammonium ion is a postively charged ion or cation and has the chemical formula, NH 4 + The electrostatic attraction between the positives and negatives brings the particles together and creates an ionic compound, such as sodium chloride. Answer Save. The rules for naming and writing the formulas of organic compounds … Cations and Anions in Organic Compounds . It is formed when a proton is added to the compound ammonia, NH3. Is the nitrogen ion a cation or an anion? 1 decade ago. All of these anions are isoelectronic with each other and with neon. To find out what charge an element will be look at its group number: N is group 5, so it will gain 3 electrons to complete its electron shell.

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