Chemistry Data Booklet National 5 For use in National Qualification Courses Publication date: 2021 Publication code: BB8395 Published by the Scottish Qualifications Authority The Optima Building, 58 Robertson Street, Glasgow G2 8DQ Lowden, 24 Wester Shawfair, Dalkeith, Midlothian EH22 1FD www.sqa.org.uk The information in this publication may be reproduced in support of SQA qualifications. If it is reproduced, SQA should be clearly acknowledged as the source. If it is to be used for any other purpose, then written permission must be obtained from SQA. It must not be reproduced for trade or commercial purposes. © Scottish Qualifications Authority 2021 For an up-to-date list of prices visit the Publication Sales and Downloads section of SQA’s website. For further details telephone SQA’s Customer Contact Centre on 0345 279 1000. page 02 Contents Relationships for National 5 Chemistry and Specific Heat Capacity of Water . . . . . . . . . . . . . . . 3 Periodic Table of the Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Melting and Boiling Points of Selected Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Electron Arrangements of Main Group Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Flame Colours . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Names, Symbols, Relative Atomic Masses, Densities and Dates of Discovery . . . . . . . . . . . . . . . . 7 Formulae of Selected Ions containing more than one kind of Atom . . . . . . . . . . . . . . . . . . . . . . 8 Solubilities of Selected Compounds in Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Melting and Boiling Points of Selected Inorganic Compounds . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Melting and Boiling Points of Selected Organic Compounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Electrochemical Series (Reduction Reactions) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Relationships for National 5 Chemistry Eh = cmΔT n = cV n= m GFM c1V1 c2V2 = n1 n2 average rate = % by mass = Δquantity Δt m × 100 GFM Specific Heat Capacity of Liquid Water c= 4.18 kJ kg−1 °C −1 page 03 Periodic Table of the Elements Column 2 Column 3 Column 4 Column 5 Column 6 Column 7 1 2 Key Hydrogen Helium Atomic Number H He Name of Element 3 4 Lithium Beryllium Li Be 11 12 Sodium Magnesium Na Mg 19 20 21 22 23 Potassium Calcium Scandium Titanium Vanadium K Ca Sc Ti V Cr Mn 37 38 39 40 41 42 43 Rubidium Strontium Yttrium Zirconium Niobium TRANSITION METALS 6 7 8 9 10 Boron Carbon Nitrogen Oxygen Fluorine Neon B C N O F Ne 13 14 15 16 17 18 Aluminium Silicon Phosphorus Sulfur Chlorine Argon Al Si P S Cl Ar 24 26 27 28 29 30 31 32 33 34 35 36 Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Fe Co Ni Cu Zn Ga Ge As Se Br Kr 44 45 46 47 48 49 50 51 52 53 54 Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon I Xe 25 Chromium Manganese Molybdenum Technetium Ruthenium Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 Lanthanum Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury Thallium Lead Bismuth Polonium Astatine Radon La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn 110 111 112 113 114 115 116 117 118 Copernicium Nihonium Cn Nh Sr Y 55 56 57 Caesium Barium Cs Ba 88 5 Symbol Rb 87 Column 0 58-71 90-103 89 Francium Radium Actinium Fr Ra Ac 104 105 Rutherfordium Dubnium Rf 58 Cerium Ce 106 60 Nd 109 Bohrium Hassium Sg Bh Hs 61 62 Praseodymium Neodymium Promethium Samarium Pr 108 Seaborgium Db 59 107 Pm Sm Meitnerium Darmstadtium Mt Rg Flerovium Moscovium Livermorium Tennessine Fl Mc Lv 63 64 65 66 67 68 69 70 71 Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Eu Gd Tb Dy Ho Er Tm Yb Lu 97 98 99 101 102 103 90 91 92 93 94 95 96 Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Th Pa U Np Pu Am Cm Elements below the dark line are metals. Ds Roentgenium Berkelium Californium Einsteinium Bk Cf Es 100 Fermium Fm Mendelevium Nobelium Lawrencium Md No Lr Ts Oganesson Og page 04 Column 1 Melting and Boiling Points of Selected Elements Group 2 Group 3 Group 4 Group 5 Group 6 Group 7 Group 0 1 2 Hydrogen Helium Key −259 −253 Atomic Number −272 −269 Name of Element 3 4 Lithium Beryllium 181 1342 1287 2471* Melting Point (°C) Boiling Point (°C) 5 6 7 8 9 10 Boron Carbon Nitrogen Oxygen Fluorine Neon 2077 4000 †3825 −210 −196 −219 −183 −220 −188 −249 −246 11 12 13 14 15 16 17 18 Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon 98 883 650 1090 660 2519 1414 3265 44 281 115 445 −101 −34 −189 −186 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton 63 759 842 1484 1541 2836 1670 3287 1910 3407 1907 2671 1246 2061 1538 2861 1495 2927 1455 2913 1085 2560 420 907 30 2229 938 2833 *817 †616 221 685 −7 59 −157 −153 42 43 37 38 39 40 41 Rubidium Strontium Yttrium Zirconium Niobium 39 688 777 1377 1522 3345 1854 4406 2477 4741 Molybdenum Technetium 2622 4639 2157 4262 44 45 46 47 48 49 50 51 52 53 54 Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon 2333 4147 1963 3695 1555 2963 962 2162 321 767 157 2072 232 2586 631 1587 450 988 114 184 −112 −108 55 56 57 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 Caesium Barium Lanthanum Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury Thallium Lead Bismuth Polonium Astatine Radon 28 671 727 1845 920 3464 2233 4600 3017 5455 3414 5555 3185 5590 3033 5008 2446 4428 1768 3825 1064 2836 −39 357 304 1473 327 1749 271 1564 254 962 302 −71 −62 * at 28 atmospheres † sublimes page 05 Group 1 Electron Arrangements of Main Group Elements Key Atomic Number Name of Element Symbol Electron arrangement Group 1 Group 2 Group 3 Group 4 Group 5 Group 6 Group 7 Group 0 2 1 Hydrogen Helium H 1 He 2 3 4 5 6 7 8 9 10 Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Li 2,1 Be 2,2 B 2,3 C 2,4 N 2,5 O 2,6 F 2,7 Ne 2,8 11 12 13 14 15 16 17 18 Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Na 2,8,1 Mg 2,8,2 Al 2,8,3 Si 2,8,4 P 2,8,5 S 2,8,6 Cl 2,8,7 Ar 2,8,8 19 20 31 32 33 34 36 35 Potassium Calcium Gallium Germanium Arsenic Selenium Bromine Krypton K 2,8,8,1 Ca 2,8,8,2 Ga 2,8,18,3 Ge 2,8,18,4 As 2,8,18,5 Se 2,8,18,6 Br 2,8,18,7 Kr 2,8,18,8 Rubidium 37 Strontium 38 Indium 49 50 Tin Antimony Tellurium Iodine Xenon Rb 2,8,18, 8,1 55 Sr 2,8,18, 8,2 56 In 2,8,18, 18,3 81 Sn 2,8,18, 18,4 82 Sb 2,8,18, 18,5 83 Te 2,8,18, 18,6 84 I 2,8,18, 18,7 85 Xe 2,8,18, 18,8 86 Cs 2,8,18, 18,8,1 87 Ba 2,8,18, 18,8,2 88 Tl 2,8,18, 32,18,3 Pb 2,8,18, 32,18,4 Bi 2,8,18, 32,18,5 Po 2,8,18, 32,18,6 At 2,8,18, 32,18,7 Rn 2,8,18, 32,18,8 Fr 2,8,18,32, 18,8,1 Ra 2,8,18,32, 18,8,2 Caesium Barium Francium Thallium 51 Lead Radium 52 Bismuth Polonium The elements on this side of the dark line are metals. 53 54 Astatine Radon The elements on this side of the dark line are non-metals. Flame Colours Element Ion Flame colour barium Ba2+ green calcium Ca2+ copper lithium Element Ion Flame colour potassium K+ lilac orange-red sodium Na+ yellow Cu2+ blue-green strontium Sr2+ red Li+ red page 06 Names, Symbols, Relative Atomic Masses, Densities and Dates of Discovery (Relative atomic masses, also known as average atomic masses, have been rounded to the nearest 0.5) Element Actinium Aluminium Americium Antimony Argon Arsenic Astatine Barium Berkelium Beryllium Bismuth Boron Bromine Cadmium Calcium Californium Carbon Cerium Caesium Chlorine Chromium Cobalt Copper Curium Dysprosium Einsteinium Erbium Europium Fluorine Francium Gadolinium Gallium Germanium Gold Hafnium Helium Holmium Hydrogen Indium Iodine Iridium Iron Krypton Lanthanum Lead Lithium Lutetium Magnesium Symbol Ac Al Am Sb Ar As At Ba Bk Be Bi B Br Cd Ca Cf C Ce Cs Cl Cr Co Cu Cm Dy Es Er Eu F Fr Gd Ga Ge Au Hf He Ho H In I Ir Fe Kr La Pb Li Lu Mg Relative atomic mass 227 27 243 122 40 75 210 137.5 247 9 209 11 80 112.5 40 251 12 140 133 35.5 52 59 63.5 247 162.5 252 167.5 152 19 223 157 69.5 72.5 197 178.5 4 165 1 115 127 192 56 84 139 207 7 175 24.5 Density (g cm−3) Date of Discovery 10.1 2.70 12.0 6.68 0.0018 5.75 unknown 3.62 13.3 1.85 9.79 2.34 3.10 8.69 1.54 15.1 1899 1825 1944 Ancient 1894 * 6.77 1.87 0.0032 7.15 8.86 8.96 13.5 8.55 unknown 9.07 5.24 0.0017 unknown 7.90 5.91 5.32 19.3 13.3 0.0002 8.80 0.00009 7.31 4.93 22.6 7.87 0.0037 6.15 11.3 0.53 9.84 1.74 ~1250 1940 1808 1949 1798 1753 1808 1826 1817 1808 1950 Prehistoric 1803 1860 1774 1797 1739 Ancient 1944 1886 1952 1843 1896 1886 1939 1880 1875 1886 Ancient 1923 1868 1879 1766 1863 1811 1803 Ancient 1898 1839 Ancient 1817 1907 1808 *The density of carbon as graphite is 2.27 g cm−3 The density of carbon as diamond is 3.51 g cm−3 Element Symbol Relative atomic mass Density (g cm−3) Date of Discovery Manganese Mercury Molybdenum Neodymium Neon Neptunium Nickel Niobium Nitrogen Osmium Oxygen Palladium Phosphorus Platinum Plutonium Polonium Potassium Praseodymium Promethium Protactinium Radium Radon Rhenium Rhodium Rubidium Ruthenium Samarium Scandium Selenium Silicon Silver Sodium Strontium Sulfur Tantalum Technetium Tellurium Terbium Thallium Thorium Thulium Tin Titanium Tungsten Uranium Vanadium Xenon Ytterbium Yttrium Zinc Zirconium Mn Hg Mo Nd Ne Np Ni Nb N Os O Pd P Pt Pu Po K Pr Pm Pa Ra Rn Re Rh Rb Ru Sm Sc Se Si Ag Na Sr S Ta Tc Te Tb Tl Th Tm Sn Ti W U V Xe Yb Y Zn Zr 55 200.5 96 144 20 237 58.5 93 14 190 16 106.5 31 195 244 209 39 141 145 231 226 222 186 103 85.5 101 150.5 45 79 28 108 23 87.5 32 181 98 127.5 159 204.5 232 169 118.5 48 184 238 51 131.5 173 89 65.5 91 7.30 13.5 10.2 7.01 0.0009 20.2 8.90 8.57 0.0013 22.6 0.0014 12.0 1.82 21.5 19.7 9.20 0.89 6.77 7.26 15.4 5.00 0.0097 20.8 12.4 1.53 12.1 7.52 2.99 4.81 2.33 10.5 0.97 2.64 2.00 16.4 11.0 6.23 8.23 11.8 11.7 9.32 7.29 4.51 19.3 19.1 6.00 0.0059 6.90 4.47 7.13 6.52 1774 Ancient 1778 1885 1898 1940 1751 1801 1772 1803 1774 1803 1669 1735 1941 1898 1807 1885 1944 1913 1898 1900 1925 1803 1861 1844 1853 1879 1817 1824 Ancient 1807 1790 Ancient 1802 1937 1782 1843 1861 1828 1879 Ancient 1791 1783 1789 1801 1898 1878 1789 Ancient 1789 page 07 Formulae of Selected Ions containing more than one kind of Atom one positive one negative two negative three negative Ion Ion Ion Ion ammonium Formula NH4+ Formula CH3COO− ethanoate hydrogencarbonate HCO3− Formula carbonate CO 32− chromate CrO42− Formula phosphate PO43− sulfate oxide hydroxide hydrogensulfate HSO4− dichromate Cr2O 7 2− hydrogensulfite HSO3− sulfate SO42− hydroxide OH− sulfite SO 32− nitrate NO3− thiosulfate S 2O32− permanganate MnO4− Solubilities of Selected Compounds in Water The table shows how some compounds behave in cold water vs means very soluble (a solubility greater than 10 g l−1) s means soluble (a solubility of between 1 and 10 g l−1) i means insoluble (a solubility of less than 1 g l−1) – no data bromide carbonate chloride aluminium vs – vs vs vs i vs i i ammonium vs vs vs vs vs vs vs – – barium vs i vs vs vs i i vs vs calcium vs i vs vs vs i s s s copper(II) vs i vs – vs i vs i i iron(II) vs i vs vs vs i vs i i iron(III) vs – vs – vs i vs i i lead(II) s i s i vs i i i i lithium vs vs vs vs vs i vs vs vs magnesium vs i vs vs vs i vs i i nickel vs i vs vs vs i vs i i potassium vs vs vs vs vs vs vs vs vs i i i i vs i s i – sodium vs vs vs vs vs vs vs vs vs tin(II) vs i vs s – i vs i i zinc vs i vs vs vs i vs i i silver iodide nitrate phosphate Note: Some of the compounds in the table hydrolyse significantly in water. page 08 Melting and Boiling Points of Selected Inorganic Compounds COVALENT Name of compound IONIC mp (°C) bp (°C) ammonia −78 −33 barium chloride carbon dioxide −78 −57 calcium oxide −205 −192 −9 21 silicon dioxide 1713 sulfur dioxide carbon monoxide nitrogen dioxide water Name of compound mp (°C) bp (°C) 961 1560 2613 2850 lithium bromide 550 1265 magnesium chloride 714 1412 2950 potassium iodide 681 1323 −75 −10 sodium chloride 802 1465 0 100 mp (°C) bp (°C) ethene −169 −104 Under normal conditions, carbon dioxide does not melt but sublimes instead. The melting point and boiling point were measured under different conditions. Melting and Boiling Points of Selected Organic Compounds Name of compound mp (°C) bp (°C) Name of compound methane −182 −162 ethane −183 −89 propene −185 −48 propane −188 −42 but-1-ene −185 −6 butane −138 −1 pent-1-ene −165 30 pentane −130 36 hex-1-ene −140 63 hexane −95 69 −91 2-methylpropene −141 −7 heptane 98 −57 2-methylbut-1-ene −137 31 octane 126 2-methylpent-1-ene −136 62 cyclobutane −90 12 2-methylhex-1-ene −103 92 cyclopentane −93 49 7 81 2-methylpropane −159 2-methylbutane cyclohexane methanol −97.5 65 ethanol −114 78 −12 propan-1-ol −124 97 −160 28 propan-2-ol −88 82 2-methylpentane −154 60 butan-1-ol −89 118 2-methylhexane −118 90 butan-2-ol −89 100 8 101 17 118 propanoic acid −20 141 butanoic acid −5 164 methanoic acid ethanoic acid page 09 Electrochemical Series (Reduction Reactions) Metal Reaction lithium Li+(aq) + e− Li(s) potassium K+(aq) + e− K(s) calcium Ca2+(aq) + 2e− Ca(s) sodium Na+(aq) + e− Na(s) magnesium Mg2+(aq) + 2e− Mg(s) aluminium Al3+(aq) + 3e− Al(s) zinc Zn2+(aq) + 2e− Zn(s) iron Fe2+(aq) + 2e− Fe(s) nickel Ni2+(aq) + 2e− Ni(s) tin Sn2+(aq) + 2e− Sn(s) lead Pb2+(aq) + 2e− Pb(s) Fe3+(aq) + 3e− Fe(s) 2H+(aq) + 2e− H2(g) S4O62−(aq) + 2e− 2S2O32−(aq) SO42−(aq) + 2H+(aq) + 2e− SO32−(aq) + H2O(ℓ) Cu2+(aq) + 2e− Cu(s) 2H2O(ℓ) + O2(g) + 4e− 4OH−(aq) I2(s) + 2e− 2I−(aq) Fe3+(aq) + e− Fe2+(aq) silver Ag+(aq) + e− Ag(s) mercury Hg2+(aq) + 2e− Hg(ℓ) Br2(ℓ) + 2e− 2Br−(aq) Cl2(g) + 2e− 2Cl−(aq) Au+(aq) + e− Au(s) H2O2(aq) + 2H+(aq) + 2e− 2H2O(ℓ) hydrogen copper gold page 10 Published: June 2021 Change since last published: House style updates. Data values updated in line with CRC Handbook of Chemistry and Physics 100th ed. Update of elements on Page 04. Melting and boiling points of carbon dioxide corrected on Page 09. (November 2021)