Periodic Table Introduction

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A set of slides created to teach Periodic Table Introduction to learners at Bishops Diocesan College in Cape Town.

Transcript of Periodic Table Introduction

  • 1.THE PERIODIC TABLE K WARNE -GRADE 10

2. Increasing atomic number (Z) 1 2 3 4 5 6 7 8 9 10 11 H He Li Be B C N O F Ne Na Very reactive gas Un reactive gas Very Reactive metal Very reactive Gas Un reactive gas Very reactive metal THE PATTERN BEGINS TO REPEAT AFTER EVERY 8 ELEMENTS! SAMPLE ONLY SAMPLE ONLY SAMPLE ONLY 3. SAMPLE ONLY SAMPLE ONLY SAMPLE ONLY For FULL presentation click HERE >> www.warnescience.netFor FULL presentation click HERE >> www.warnescience.net The Periodic TableInteractive Periodic Table; www.ptable.com I II III IV V VI VII 0 1 2 H He 1 KEY 4 3 4 Atomic number 3 5 6 7 8 9 10 Li Be Li Symbol B C N O F Ne 7 9 Mass number 7 11 12 14 16 19 20 11 12 13 14 15 16 17 18 Na Mg Al Si P S Cl Ar 23 24 27 28 31 32 35.5 40 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr 39 40 45 48 51 52 55 56 59 59 64 65 70 73 75 79 80 84 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe 86 88 89 91 93 96 99 101 103 106 108 112 115 119 122 128 127 131 55 56 57 * 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn 133 137 139 179 181 184 186 190 192 195 197 201 204 207 209 210 210 222 87 88 89 Fr Ra Ac 223 226 227 * 58 - 71 Lanthanides58 59 60 61 62 63 64 65 66 67 68 69 70 71 Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu 140 141 144 145 150 152 157 159 163 165 167 169 173 175 90 - 103 Actinides90 91 92 93 94 95 96 97 98 99 100 101 102 103 Th Pa U Np Pu Am Cm Bk Cf Es Fm Nd No Lr 232 231 238 237 239 243 247 247 252 (252) (257) (258) (259) (260) 4. SAMPLE ONLY SAMPLE ONLY SAMPLE ONLY For FULL presentation click HERE >> www.warnescience.net 5. SAMPLE ONLY SAMPLE ONLY SAMPLE ONLY For FULL presentation click HERE >> www.warnescience.net The Periodic TableInteractive Periodic Table; www.ptable.com GI Metals light grey, react vigorously with water release Hydrogen gas reaction gets more vigorous as you go down the group. GVII HALOGENS toxic reactive gases, liquids & solids reactivity DECREASES as you go down! 6. SAMPLE ONLY SAMPLE ONLY SAMPLE ONLY For FULL presentation click HERE >> www.warnescience.net Periodicity Physical Properties GROUP I Soft grey /silver metal light (float) Low Mp Group II Metals silver / grey Harder than GI More dense than GI density increases down Higher Mp & Bp than GI G8 Moloatomic Low Bp Low Densitys (all gases) Colourless Ouderless GROUP VII HALOGENS Diatomic molec. F2 pale Y gas Varying colours Intensity increases down LOW melting & Bpts (liqs & Gases, I2 sublimes) 7. SAMPLE ONLY SAMPLE ONLY SAMPLE ONLY For FULL presentation click HERE >> www.warnescience.net The Periodic Table I VIII Columns Groups = Rows The number of VALENCE ELECTRONS for any element equals its GROUP NUMBER Periods II III IV V VI VII The number of bonds made by an element is called its VALENCY. METALS: Valency = number of VALENCE electrons. = GROUP NUMBER. Non-metals: Valency = 8 - the group number. The number is often written as a MINUS (for non metals) - this represents the charge formed. (Negative because electrons gained) 1 2 Valence Electrons 3 4 5 6 7 8 1 2 Valency / Bonds 3 4 -3 -2 -1 0 8. SAMPLE ONLY SAMPLE ONLY SAMPLE ONLY For FULL presentation click HERE >> www.warnescience.net The Periodic TableColumns - Groups - 8 Non-metals metals semi-metals HalogensI II III IV V VI VII Rows - Periods Nobel/Inert Gases Alkali Metals Alkali-earth Metals 9. SAMPLE ONLY SAMPLE ONLY SAMPLE ONLY For FULL presentation click HERE >> www.warnescience.net Atomic Radius Trends 10. SAMPLE ONLY SAMPLE ONLY SAMPLE ONLY For FULL presentation click HERE >> www.warnescience.net Hi - This is a SAMPLE presentation only. My FULL presentations, which contain a lot more more slides and other resources, are freely available on my resource sharing website: www.warnescience.net (click on link or logo) Have a look and enjoy! WarneScience