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Introduction to the Periodic Table. Mr. Perala Physical Science or Chemistry . Objectives. Application – apply knowledge of periodic table to classify elements Comprehension – understand how the periodic table is constructed. http://www.dayah.com/periodic/Images/periodic%20table.png.
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Introduction to the Periodic Table Mr. Perala Physical Science or Chemistry
Objectives • Application – apply knowledge of periodic table to classify elements • Comprehension – understand how the periodic table is constructed
http://www.dayah.com/periodic/Images/periodic%20table.png http://www.jesuitnola.org/upload/clark/images/elements.mp3
The Periodic Table • Dmitri Mendeleev (1869) • 7 rows (Periods) • 18 columns (Groups) • Atomic Number = # of Protons http://jscms.jrn.columbia.edu/cns/2006-04-18/fido-luxuriantflowinghair/mendeleev/
Group 1A – Alkali Metals Lithium Sodium Potassium Rubidium Cesium Francium http://hyperphysics.phy-astr.gsu.edu/hbase/pertab/alkmet.html http://www.chem4kids.com/files/art/elem_alkalimetal1.gif
Group 2A – Alkaline earth metals Beryllium Magnesium Calcium Strontium Barium Radium http://hyperphysics.phy-astr.gsu.edu/hbase/pertab/alkear.html#c1 http://www.chem4kids.com/files/elem_alkalineearth.html
Group 7A - Halogens Fluorine Chlorine Bromine Iodine Astatine http://hyperphysics.phy-astr.gsu.edu/hbase/pertab/halog.html#c1 http://www.chem4kids.com/files/elem_halogen.html
Group 8A – Noble Gases Helium Neon Argon Krypton Xenon Radon http://hyperphysics.phy-astr.gsu.edu/hbase/pertab/nobgas.html#c1 http://www.chem4kids.com/files/elem_inertgas.html
Where are they? • Ar • Ca • I • Cs http://www.bpc.edu/mathscience/chemistry/images/periodic_table_of_elements.jpg Quiz