Section 2 Atoms and Elements 2.1 Elements and Symbols 2.2 Periodic Table LecturePLUS Timberlake
Slide 2Elements Pure substances that can't be isolated into various substances by common procedures Are the building squares of matter 112 components known today Examples: carbon gold calcium LecturePLUS Timberlake
Slide 3Symbols of Elements Use 1 or 2 letter shortenings Capitalize the primary letter just Examples: C carbon Co cobalt N nitrogen Ca calcium F fluorine Br bromine O oxygen Mg magnesium LecturePLUS Timberlake
Slide 4Symbols from Latin Names Element Symbol Latin name Copper Cu cuprum Gold Au aurum Lead Pb plumbum Mercury Hg hydrargyrum Potassium K kalium Silver Ag argentum Sodium Na natrium Tin Sn stannum LecturePLUS Timberlake
Slide 5% Major Elements in the Body O 65.0 % K 0.34 C 18.0 S 0.26 H 10.0 Na 0.14 N 3.0 Cl 0.14 Ca 1.4 Fe 0.004 P 1.0 Zn 0.003 Mg 0.50 Trace Elements As, Cr, Co, Cu, F, I, Mn, Mo, Ni, Se, Si, V LecturePLUS Timberlake
Slide 6Learning Check Select the right image for each: A. Calcium 1) C 2) Ca 3) CA B. Sulfur 1) S 2) Sl 3) Su C. Press 1) Ir 2) FE 3) Fe LecturePLUS Timberlake
Slide 7Solution Select the right image for each: A. Calcium 2) Ca B. Sulfur 1) S C. Press 3) Fe LecturePLUS Timberlake
Slide 8Learning Check Select the right name for each: A. N 1) neon 2) nitrogen 3) nickel B. P 1) potassium 2) phogiston 3) phosphorus C. Ag 1) silver 2) agean 3) gold LecturePLUS Timberlake
Slide 9Solution Select the right name for each: A. N 2) nitrogen B. P 3) phosphorus C. Ag 1) silver LecturePLUS Timberlake
Slide 10Periodic Table The occasional table is a course of action of the components as indicated by likenesses in their compound and physical properties. LecturePLUS Timberlake
Slide 11Physical Properties The attributes of a substance that can be seen without changing the substance. Shading Size Shape Density Freezing and Boiling Points Odor LecturePLUS Timberlake
Slide 12Groups of Elements Vertical sections on the occasional table Similar physical properties Similar concoction properties LecturePLUS Timberlake
Slide 13Groups on the Periodic Table 1 2 3 4 5 6 7 8 LecturePLUS Timberlake
Slide 14Representative Groups Group 1 Alkali Metals Group 2 Alkaline Earth Metals Group 7 Halogens Group 8 Noble Gasses LecturePLUS Timberlake
Slide 15Location of Some Groups 1 2 3 4 5 6 7 8 A l m k e a t l an i l s A l k a l i n e H a l o g e n s I G n an e s r e t s LecturePLUS Timberlake
Slide 16Periods on the Periodic Table Horizontal columns from Group 1 to Group 8. Numbered 1, 2, 3, … . Incorporate agent components and move components LecturePLUS Timberlake
Slide 17Periods on the Periodic Table 1 2 3 4 5 6 LecturePLUS Timberlake
Slide 18Learning Check A. Component in Group VIIA, Period 4 1) Br 2) Cl 3) Mn B. Component in Group IIA, Period 3 1) beryllium 2) magnesium 3) boron LecturePLUS Timberlake
Slide 19Solution A. Component in Group 7A, period 4 1) Br B. Component in Group 2A, Period 3 2) magnesium LecturePLUS Timberlake
Slide 20Learning Check A. Component in Group VIIA, period 4 1) Br 2) Cl 3) Mn B. Component in Group IIA, Period 3 1) beryllium 2) magnesium 3) boron C. Metals in Group IVA 1) Ge, Sn, Pb 2) C, Si 3) C, Si, Ge, Sn D. Nonmetals in Group VA 1) As, Sb, Bi 2) N, P, As 3) N, P, As, Sb LecturePLUS Timberlake
Slide 21Solution A. Component in Group VIIA, period 4 1) Br B. Component in Group IIA, Period 3 2) magnesium C. Metals in Group IVA 1) Ge, Sn, Pb D. Nonmetals in Group VA 2) N, P, As LecturePLUS Timberlake
Slide 22Metals and Nonmetals Metals Located to one side of the overwhelming line Shiny, pliable Good conveyors of warmth and power Nonmetals Located to one side of the substantial line Dull and fragile Poor conduits, great covers LecturePLUS Timberlake
Slide 23Metals and Nonmetals Transition metals NONMETALS METALS LecturePLUS Timberlake
Slide 24Learning Check Specify metal (1) or nonmetal (2) for each: A. sulfur ____ B. chlorine ____ C. sodium ____ D. iron ____ E. carbon ____ F. silver ____ LecturePLUS Timberlake
Slide 25Solution Specify metal (1) or nonmetal (2) for each: A. sulfur 2 B. chlorine 2 C. sodium 1 D. iron 1 E. carbon 2 F. silver 1 LecturePLUS Timberlake
Slide 26Learning Check Select the right components: A. Metals in Group IVA 1) Ge, Sn, Pb 2) C, Si 3) C, Si, Ge, Sn B. Nonmetals in Group VA 1) As, Sb, Bi 2) N, P, As 3) N, P, As, Sb LecturePLUS Timberlake
Slide 27Solution A. Metals in Group 4A 1) Ge, Sn, Pb B. Nonmetals in Group 5A 2) N, P, As LecturePLUS Timberlake
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