1. 10Science1 26 Haratua 2014 What we will do What we will learn Preliminaries and roll, including notices The importance of starting well Set some homework and change “Zenday” How to influence our workstream Note down some of the main ions used in industry How people use ions to make money and solve problems. See how to tackle a second excellence question. How to SHOW we have learned well Revisit the objectives of the unit Have we done what we said we would do? If time, set a due date for the EOT test How to influence our own workstream If time, have some HRT, bookmarking and Scipad marking How to make good use of time.

2. HW item Skills practiced Scipad pages 131 - 143 Due Fri 7 March 2014 Alleles, Genetics and Variation Scipad pages 99 – 107, 113 – 120, 122 and 123 Due Monday 14 April 2014 How to read measuring scales well, Forces, Mass and Motion Scipad pages 8 – 12 and 14 Due Fri 23 rd of May 2014 Physical and Chemical Changes Structure of the Atom Scipad pages 15 - 22, 24 and 25 Due Thursday 5 th of June 2014 Chemical equations, ions, balancing charges, balancing equations End Of Topic Test on Atoms Due Tuesday 3 rd of June 2014 Atoms and Atomic Structure

10. Practice Excellence Question 1 Discuss How and Why a Magnesium atom becomes an ion. Your answer should include: The written electron arrangement of the Magnesium atom and the Magnesium ion A description of how a Magnesium atom becomes an ion A description of why a Magnesium atom becomes an ion

12. Practice Excellence Question 2 The element Fluorine is in group 17, period 2. Use this information to explain why Fluoride has the charge -1 (F - )