Level 1 Chemistry, 2019
9.30 a.m. Monday 18 November 2019
RESOURCE BOOKLET
Refer to this booklet to answer the questions in your Question and Answer Booklets.
Check that this booklet has pages 2 – 4 in the correct order and that none of these pages is blank.
YOU MAY KEEP THIS BOOKLET AT THE END OF THE EXAMINATION.
991103
1
© New Zealand Qualifications Authority, 2019. All rights reserved.
No part of this publication may be reproduced by any means without the prior permission of the New Zealand Qualifications Authority.
L 1 – C H E M R
Activity series
Ca Mg Al Zn Fe Pb (H) Cu Ag
Colours of selected ions and solids
Colourless ions chloride, iodide, sulfate, hydroxide, carbonate, calcium, magnesium, zinc, lead, barium, silver
Blue ions copper
Pale green ions iron(II)
White solids calcium sulfate, calcium hydroxide, calcium carbonate,
magnesium hydroxide, magnesium carbonate, zinc carbonate, lead chloride, lead sulfate, lead carbonate, barium sulfate, barium hydroxide, barium carbonate, silver chloride
Green solid iron(II) hydroxide, iron(II) carbonate Blue solid copper hydroxide
Yellow solid lead iodide Cream solid silver iodide
Solubility rules nitrates All soluble
chlorides All soluble except silver chloride, lead chloride iodides All soluble except silver iodide, lead iodide
sulfates All soluble except barium sulfate, lead sulfate, calcium sulfate hydroxides All insoluble except potassium hydroxide, sodium hydroxide carbonates All insoluble except potassium carbonate, sodium carbonate
2
Table of ions
+1 +2 +3 –3 –2 –1
NH4+ Ca2+ Al3+ O2– OH–
Na+ Mg2+ Fe3+ S2– Cl–
K+ Cu2+ CO32– I–
Ag+ Pb2+ SO42– NO3–
H+ Fe2+ HCO3–
Li+ Ba2+ F–
Zn2+
3
L1–CHEMR PERIODIC TABLE OF THE ELEMENTS 18 12
Atomic number1 H Molar mass / g mol–1 1314151617
2 He 3 Li4 Be5 B6 C7 N8 O9 F10 Ne 11 Na12 Mg 3456789101112
13 Al14 Si15 P16 S17 Cl18 Ar 19 K20 Ca21 Sc22 Ti23 V24 Cr25 Mn26 Fe27 Co28 Ni29 Cu30 Zn31 Ga32 Ge33 As34 Se35 Br36 Kr 37 Rb38 Sr39 Y40 Zr41 Nb42 Mo43 Tc44 Ru45 Rh46 Pd47 Ag48 Cd49 In50 Sn51 Sb52 Te53 I54 Xe 55 Cs56 Ba71 Lu72 Hf73 Ta74 W75 Re76 Os77 Ir78 Pt79 Au80 Hg81 Tl82 Pb83 Bi84 Po85 At86 Rn 87 Fr88 Ra103 Lr104 Rf105 Db106 Sg107 Bh108 Hs109 Mt110 Ds111 Rg112 Cn113 Nh114 Fl115 Mc116 Lv117 Ts118 Og 57 La58 Ce59 Pr60 Nd61 Pm62 Sm63 Eu64 Gd65 Tb66 Dy67 Ho68 Er69 Tm70 Yb 89 Ac90 Th91 Pa92 U93 Np94 Pu95 Am96 Cm97 Bk98 Cf99 Es100 Fm101 Md102 No 4
