Periodic Table, Formulae &Equations

Periodic Table

Here lies the body of poor old JoeHe will not live no moreCos what he thought was H20Was H2SO4

Periodic Table Learning Outcomes

By the end of this session you should:

• be familiar with the PT and its uses

• be able to write chemical formulae

• be able to write & balance chemical equations

Periodic Table

Metals / Non-metals + Transition Metals/ Semi-metals

Groups 1-8/0 — Columns of similar elements,graded propsAlkali Metals, Akaline Earth Metals, Halogens & Inert gases

Rows — Go across. Each row a new electron shell filling

Valencies — 1,2,3,4,3,2,1,0

Formulae & Equations1 2 3 4 3 2 1 0

HH22SOSO44 H H22COCO33 HNO HNO33 HCl HCl NaOH NaOH NH NH44OH OH

Word equation

Symbols

Valencies

Balance

Calculation

Elements, Compounds & Mixtures Periodic Table

Atomic Number (Z)No of protons = No of box in PT

Mass No (A)No of protons + No of neutrons

Relative atomic massAv mass of an atom compared to C-12

Periodic Table

http://www.chemicool.com/

http://periodic.lanl.gov/default.htm

http://www.webelements.com/

http://www.rsc.org/chemsoc/visualelements/pages/pertable_j.htm