naming notes - Names and Formulas of Compounds ORGANIC...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Names and Formulas of Compounds ORGANIC MATERIALS: H YDROCARBONS There are many compounds containing just hydrogen and carbon that form the basis for millions of carbon compounds (organic compounds). The ten used in CHM 115 are: CH 4 methane C 2 H 6 ethane C 3 H 8 propane C 4 H 10 butane C 5 H 12 pentane C 6 H 14 hexane C 7 H 16 heptane C 8 H 18 octane C 9 H 20 nonane C 10 H 22 decane INORGANIC MATERIALS B INARY C OVALENT C OMPOUNDS For compounds made up of two nonmetals , the compound name comes from the two elements making up the compound. The first word is the name of the element. The second word is the root of the second elements + "-ide". If more than one atom of one or both of the elements is present in the compound, a numerical prefix is used to describe how many atoms are present in the formula. The prefixes are: 1 = mono* 2 = di 3 = tri 4 = tetra 5 = penta 6 = hexa 7 = hepta 8 = octa 9 = nona 10 = deca *The prefix "mono" is only used with the second element, never the first. All other prefixes are used for both first and second elements in the formula, as needed. NAME FORMULA nitrogen dioxide NO 2 dinitrogen monoxide N 2 O sulfur hexafluoride __________ disilicon hexachloride __________ sulfur tetrafluoride __________ ____________________________________________ IF 5 ____________________________________________ H 2 S ____________________________________________ NCl 3 Some compounds are used so much by so many people that they are known by common names. H 2 O = water = dihydrogen monoxide H 2 O 2 = hydrogen peroxide = dihydrogen dioxide NH 3 = ammonia = nitrogen trihydride O 3 = ozone = (another form of elemental oxygen) 1
Background image of page 1

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

View Full DocumentRight Arrow Icon
B INARY I ONIC C OMPOUNDS For compounds made up of a metal plus a nonmetal, the compound name comes from the two elements making up the compound. The first word is the name of the element. The second word is the root of the second element + "-ide". Monatomic Ions 1. Constant charge monatomic cations Many common elements that form cations only form one cation. Metallic elements in the first two columns of the periodic table, and elements in the third column form one cation each. H + = hydrogen ion Li + = lithium ion Na + = _________ ion K + = potassium ion Mg 2 + = ___________ ion Ca 2 + = calcium ion Sr 2 + = strontium ion Ba 2 + = barium ion Al 3 + = aluminum ion There are also a few transition metals that only form one ion. Some important ones are: Ag + = _________ ion Zn 2 + = ___________ ion 2. Constant charge monatomic anions Non-metals in the last four columns of the periodic table often form anions. The name of the ion is the root of the element name with "-ide" attached. F
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/15/2011 for the course CHM 116 taught by Professor Matchett during the Fall '11 term at Grand Valley State.

Page1 / 6

naming notes - Names and Formulas of Compounds ORGANIC...

This preview shows document pages 1 - 3. Sign up to view the full document.

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