lecture2

Molecular compounds usually have low melting points

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: melting points and are nonconductive 2-3 Chapter 2 Atoms, Molecules, and Ions 2.7 An Introduction to the Periodic Table Dimitri Mendeleev, Lothar Meyer Groups (columns) run 1 - 18 or 1 - 8 and 1 8 Periods (rows) run 1 - 7 nonmetals transition metals Main Group, transition metals, lanthanides, actinides, inner transition metals coinage metals lanthanides actinides Technetium (43), Promethium (61) and the elements above Uranium (92) do not exist in nature Elements with symbols based on original names (see table 2.2, pg 59… add gold to list) sodium (natrium, latin for sodium carbonate) Na potassium (kallium, latin for alkali) K iron (ferrum, latin for iron) Fe copper (cuprum, latin for “from Cyprus, source of copper) Cu silver (argentums, latin for silver) Ag tin (stannum, latin for tin) Sn antimony (stibium, latin for “mark”, used in pigments) Sb tungsten (from mineral wolframite) W gold (aurum, latin for “shining dawn”) Au mercury (hydrargyrum, latin for “liquid silver”) Hg lead (plumbum, latin for lead) Pb metals tend to lose electrons to form cations nonmetals tend to gain electrons to form anions, and react with each other to form covalent compounds 2.8 Naming Simple Compo...
View Full Document

This note was uploaded on 04/05/2014 for the course CHEM 1211 taught by Professor Jackduff during the Spring '13 term at SPSU.

Ask a homework question - tutors are online