Calcium Step 1 Colourless Step 2 Substance Oxide Dilate Hydrochloric acid solution Heat to dryness Step 3 Excess Carbon (IV) oxide Substance a) Give the name of the process that takes place in step 1. (1 Mark) b) Give: i) The name of substance Gi (1 Mark) ii) One use of substance Fi (1 Mark) 13. In terms of structure and bonding explain why the melting point of aluminium chloride is muc lower than that of sodium chloride (3 Marks) 14. The element chlorine has two isotopes, Chlorine-35, and Chlorine-37. If chlorine has a relati atomic mass of 35.5, calculate the relative abundance of the two isotopes - showing your work clearly. (3 Marks) 15. Element Z in the second period of the periodic table forms 2 ions using (x) to repres electrons; draw a complete structure of an isotope of "Z" having mass number 8. (2 Marks) S OPPO A1k cussley

Calcium Step 1 Colourless Step 2 Substance Oxide Dilate Hydrochloric acid solution Heat to dryness Step 3 Excess Carbon (IV) oxide Substance a) Give the name of the process that takes place in step 1. (1 Mark) b) Give: i) The name of substance Gi (1 Mark) ii) One use of substance Fi (1 Mark) 13. In terms of structure and bonding explain why the melting point of aluminium chloride is muc lower than that of sodium chloride (3 Marks) 14. The element chlorine has two isotopes, Chlorine-35, and Chlorine-37. If chlorine has a relati atomic mass of 35.5, calculate the relative abundance of the two isotopes - showing your work clearly. (3 Marks) 15. Element Z in the second period of the periodic table forms 2 ions using (x) to repres electrons; draw a complete structure of an isotope of "Z" having mass number 8. (2 Marks) S OPPO A1k cussley

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter11: Solutions And Colloids

Section: Chapter Questions

Problem 27E: What is the microscopic explanation for the macroscopic behaviour illustrated in Figure 11.15?

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