u4ohnotes18f2005

u4ohnotes18f2005 - Unit 4: The Periodic Table and...

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

View Full Document Right Arrow Icon
Unit 4: The Periodic Table and Periodicity The Elements Element names come from a variety of sources. elements known to the ancients… Au, Ag, S, Sn, C place names… Fr, Po, Ge, Ga, In, Eu, Am, Cf, Sc famous people… Es, Fm, Md, No, Gd, Rf, Bh foreign languages… W, Fe, Au, Ag, Pb, Sn, K mythology-related names… Th, Pm, Ce, Ta, Ti, Pd, Ir names related to element properties… Xe Background on the Periodic Table Dmitri Mendeleev : given credit for Periodic Table (~1870) -- organized Table by increasing atomic mass -- left spaces and predicted properties of undiscovered elements Henry Moseley : put elements in order of increasing atomic number
Background image of page 1

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

View Full DocumentRight Arrow Icon
Describing the Periodic Table periodic law : the properties of elements repeat every so often period : horizontal row; (7) group (family) : vertical column; (18) Regions of the Table metals : left side of Table; form cations properties: good conductors of heat and electricity, lustrous, malleable, ductile nonmetals : right side of Table; form anions
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 11/09/2011 for the course CHEM 110 taught by Professor Sullivan during the Fall '10 term at BYU.

Page1 / 6

u4ohnotes18f2005 - Unit 4: The Periodic Table and...

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