Ionic compounds - naming

Ionic compounds - naming - -ite and the one with more...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
A Roman numeral in parentheses, followed by the name of the element, is used for elements that can form more than one positive ion. This is usually seen with metals. Fe 2+ Iron (II) Fe 3+ Iron (III) Cu + Copper (I) Cu 2+ Copper (II) -ous and -ic Although Roman numerals are used to denote the ionic charge of cations, it is still common to see and use the endings -ous or -ic . These endings are added to the Latin name of the element (e.g., stannous / stannic for tin) to represent the ions with lesser or greater charge, respectively. The Roman numeral naming convention has wider appeal because many ions have more than two valences. Fe 2+ Ferrous Fe 3+ Ferric Cu + Cuprous Cu 2+ Cupric -ide The -ide ending is added to the name of a monoatomic ion of an element. H - Hydride F - Fluoride O 2- Oxide S 2- Sulfide N 3- Nitride P 3- Phosphide -ite and -ate Some polyatomic anions contain oxygen. These anions are called oxyanions . When an element forms two oxyanions, the one with less oxygen is given a name ending in
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: -ite and the one with more oxgyen is given a name that ends in -ate . NO 2-Nitrite NO 3-Nitrate SO 3 2-Sulfite SO 4 2-Sulfate hypo- and per-In the case where there is a series of four oxyanions, the hypo-and per-prefixes are used in conjunction with the -ite and -ate suffixes. The hypo-and per-prefixes indicate less oxygen and more oxygen, respectively. ClO-Hypochlorite ClO 2-Chlorite ClO 3-Chlorate ClO 4-Perchlorate bi- and di- hydrogen Polyatomic anions sometimes gain one or more H + ions to form anions of a lower charge. These ions are named by adding the word hydrogen or dihydrogen in front of the name of the anion. It is still common to see and use the older naming convention in which the prefix bi-is used to indicate the addition of a single hydrogen ion. HCO 3-Hydrogen carbonate or bicarbonate HSO 4-Hydrogen sulfate or bisulfate H 2 PO 4-Dihydrogen phosphate...
View Full Document

Page1 / 2

Ionic compounds - naming - -ite and the one with more...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online