1.
State what is meant by periodicity. [1]
JD SCIENCE
Module 3 Periodic table and energy
Answer all questions. Show working. Answers are in a separate file on the Worksheets page — do not look at them until you have finished.
2.
State what is meant by first ionisation energy. [1]
3.
State what is meant by Group 2. [1]
4.
State what is meant by Group 7. [1]
5.
State what is meant by a transition metal. [1]
6.
State what is meant by a complex ion. [1]
7.
State what is meant by a ligand. [1]
8.
State what is meant by heterogeneous catalyst. [1]
9.
State what is meant by homogeneous catalyst. [1]
10.
State what is meant by amphoteric. [1]
11.
Grace is asked about periodicity in a OCR Chemistry paper.
(a) Describe periodicity. [2]
(b) Explain why periodicity is important in this topic. [3]
12.
Grace is asked about first ionisation energy in a OCR Chemistry paper.
(a) Describe first ionisation energy. [2]
(b) Explain why first ionisation energy is important in this topic. [3]
13.
Grace is asked about Group 2 in a OCR Chemistry paper.
(a) Describe Group 2. [2]
(b) Explain why Group 2 is important in this topic. [3]
14.
Grace is asked about Group 7 in a OCR Chemistry paper.
(a) Describe Group 7. [2]
(b) Explain why Group 7 is important in this topic. [3]
15.
Grace is asked about a transition metal in a OCR Chemistry paper.
(a) Describe a transition metal. [2]
(b) Explain why a transition metal is important in this topic. [3]
16.
Grace is asked about a complex ion in a OCR Chemistry paper.
(a) Describe a complex ion. [2]
(b) Explain why a complex ion is important in this topic. [3]
17.
Electron configuration of Fe (Z=26) [3]
18.
Oxidation state of Fe in Fe₂O₃ [3]
19.
Cl₂ + 2KBr → [3]
20.
Moles of Ca(OH)₂ from 0.10 mol Ca [3]
21.
A complex is octahedral. Bond angle [3]
22.
Percentage of Ca in CaCO₃ [3]
23.
Grace carries out a OCR-style required practical linked to inorganic chemistry. This is a typical OCR required-practical style question.
(a) Identify the independent variable and the dependent variable. [2]
(b) State one control variable and explain why it must be controlled. [2]
(c) Suggest one improvement or source of error and how it affects the result. [2]
24.
Grace carries out collecting valid data for inorganic chemistry. This is a typical OCR required-practical style question.
(a) Identify the independent variable and the dependent variable. [2]
(b) State one control variable and explain why it must be controlled. [2]
(c) Suggest one improvement or source of error and how it affects the result. [2]
25.
Grace carries out drawing a graph for inorganic chemistry. This is a typical OCR required-practical style question.
(a) Identify the independent variable and the dependent variable. [2]
(b) State one control variable and explain why it must be controlled. [2]
(c) Suggest one improvement or source of error and how it affects the result. [2]
26.
Grace carries out evaluating a method about inorganic chemistry. This is a typical OCR required-practical style question.
(a) Identify the independent variable and the dependent variable. [2]
(b) State one control variable and explain why it must be controlled. [2]
(c) Suggest one improvement or source of error and how it affects the result. [2]
27.
Compare periodicity with first ionisation energy. [4]
28.
Compare first ionisation energy with Group 2. [4]
29.
Compare Group 2 with Group 7. [4]
30.
Compare Group 7 with a transition metal. [4]
31.
Apply your knowledge of a ligand to this situation: monodentate or bidentate [3]
32.
Apply your knowledge of heterogeneous catalyst to this situation: surface adsorption [3]