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CH 4 SEC 2

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STUDENTS KNOW HOW TO IDENTIFY ELEMENTS ON THE PERIODIC TABLE. STUDENTS KNOW HOW TO LOCATE CORRESPONDING REGIONS OF THE METALS, NONMETALS, AND INERT GASES ON THE PERIODIC TABLE.

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KEY- DIMITRI MENDELEEV A RUSSIAN SCIENTIST ORGANIZED THE FIRST PERIODIC TABLE IN 1869 KEY- HE WAS THE FIRST TO NOTICE THAT THERE WAS A SET OF PATTERNS THAT APPLIED TO ALL ELEMENTS KEY- HE ORGANIZED THEM IN THE ORDER OF INCREASING ATOMIC MASS ATOMIC MASS- IS THE AVERAGE MASS OF AN ELEMENT

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KEY- THE MODERN PERIODIC TABLE INCLUDES OVER 100 ELEMENTS. KEY- MANY PROPERTIES OF AN ELEMENT CAN BE PREDICTED BY ITS POSITION ON THE TABLE ELEMENTS- ARE THE BASIC UNIT OF MATTER FOR A SUBSTANCE AND CANNOT BE BROKEN DOWN EXAMPLES- GOLD, HYDROGEN, OXYGEN, IRON, HELIUM, COPPER, SILVER, NITROGEN. SEE EXAMPLES OF DIFFERENT PERIODIC TABLES NEXT 3 SLIDES

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SYMBOL- ATOMIC NUMBER- WHAT DOES THE ZIGZAG LINE DO? MOST ELEMENTS ARE____________? BORON IS A _____________? THE LIGHTEST ELEMENT IS _________? GROUPS-? PERIODS-?

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WRITE THE QUESTION AND ANSWER P. 137 1ABC 2AC

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https://www.khanacademy.org/science/chemistry/int roduction-to-the-atom/v/elements-and-atoms https://www.khanacademy.org/science/chemistry/int roduction-to-the-atom/v/elements-and-atoms http://www.pbslearningmedia.org/asset/nvhe_vid_pe riodic/ http://www.pbslearningmedia.org/asset/nvhe_vid_pe riodic/ http://www.pbslearningmedia.org/asset/nvhe_vid_pe riodic/ http://www.pbslearningmedia.org/asset/nvhe_vid_pe riodic/ http://www.brainpop.com/science/matterandchemist ry/atoms/ http://www.brainpop.com/science/matterandchemist ry/atoms/ http://www.brainpop.com/science/matterandchemist ry/periodictableofelements http://www.brainpop.com/science/matterandchemist ry/periodictableofelements