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The Periodic Table. CH. 2 families/groups series/periods. The Periodic Table. By 1850, approximately 60 elements are known Dmitri Mendeleev in 1869 publishes the first periodic table Lists the physical and chemical properties of the known elements
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The Periodic Table CH. 2 families/groups series/periods
The Periodic Table • By 1850, approximately 60 elements are known • Dmitri Mendeleev in 1869 publishes the first periodic table • Lists the physical and chemical properties of the known elements • Places elements with similar properties in families
Mendeleev’s Periodic Table Published in 1871, St. Petersburg, Russia by Dmitrii I. Mendeleev
He B C N O F Ne Al Si P S Cl Ar Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Why do we have thoserows at the bottom? H Li Be Na Mg K Ca Sc Rb Sr Y Cs Ba La Fr Ra Ac This arrangement takes too much space and is hard to read.
Atomic Symbols Each element is assigned a unique symbol. hydrogen H arsenic As uranium U radon Rn barium Ba gold Au titanium Ti potassium K Each symbol consists of 1 or 2 letters. The first is capitalized and the second is lower case. Activity: I Am Am SULiVN, WHo ArRe YOU ?
Metals Non Metals Semi metals Representative Elements Transition Elements Periods Family or Groups Alkali Metals Alkali Earth Metals Coinage Metals Chalcogens Halogens Nobel Gases Lanthanide Series Actinide Series The Periodic Table of the Elements
Metals, Semimetals & Non Metals H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te Xe I * Cs Ba Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn + Fr Ra Lr * La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No +
Alkali metals La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Alkaline earth metals Common group names Halogens Noble gases I A II A III A IV A V A VI A VIIA 0 H He Li Be B C N O F Ne Na Mg Al Si P S Cl Ar III B IVB V B VIB VIIB VIII B IB IIB K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Lr Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No
Carbon 62% Hydrogen 9.3% Oxygen 11% Nitrogen 5.7% Phosphorus 3.3% Sulfur 1.0% Calcium 5.0% Potassium 1.3% Sodium trace Chlorine trace Iron trace The Elements in the Human BodyVoet Biochemistry Percent dry weight
Periodic Table Activities • Symbol Scrabble • Elemental Riddles and Bingo • A Chemistry Christmas Carol • An Elemental Tale: The Gold Dust Kid • Colorful Periodic Table Exercise • Structured Curriculum Lesson Plan • On line Games • Explore an Element: A report