CH 4 SEC 2
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.
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
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
SYMBOL- ATOMIC NUMBER- WHAT DOES THE ZIGZAG LINE DO? MOST ELEMENTS ARE____________? BORON IS A _____________? THE LIGHTEST ELEMENT IS _________? GROUPS-? PERIODS-?
WRITE THE QUESTION AND ANSWER P. 137 1ABC 2AC
roduction-to-the-atom/v/elements-and-atoms roduction-to-the-atom/v/elements-and-atoms riodic/ riodic/ riodic/ riodic/ ry/atoms/ ry/atoms/ ry/periodictableofelements ry/periodictableofelements