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
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