1 Ionic formula

 

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2.1.1+2.1.2 atomic structure Page 3

Oxford Textbook Pages : 15 - 16

CGP Revision Guide Pages : 24

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Show Specification Ref : 2.1.2a

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Question 1 / 4

AQA Jun 2015 Paper 2 Q3 do not write outside the box a the elements in group from mg to ba can be used to show the trends in properties down a group in the periodic table state the trend in atomic radius for atoms of the elements down group from mg to ba give a reason for this trend marks trend reason b the group elements react with water b i state the trend in reactivity with water of the elements down group from mg to ba mark b ii write an equation for the reaction of strontium with water mark c give the formula of the hydroxide of the element in group from mg to ba that is most soluble in water mark turn over wmp jun chem
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Question 2 / 4

AQA Jan 2013 Paper 4 Q6 do not write outside the box describe how you could distinguish between the compounds in the following pairs using one simple test tube reaction in each case for each pair identify a reagent and state what you would observe when both compounds are tested separately with this reagent a b ch c ch oh h c ch r ch c ch ch h c oh s reagent observation with r observation with s marks ch co och ch oh co ch ch reagent observation with t observation with u marks wmp jan chem do not write outside the box c h c c ch c ch o h c ch c h reagent observation with v observation with w marks turn over for the next question turn over wmp jan chem
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Question 3 / 4

AQA Jun 2011 Paper 5 Q6 do not write outside the box a transition metals and their complexes have characteristic properties give the electron configuration of the zn ion use your answer to explain why the zn ion is not classified as a transition metal ion electron configuration explanation marks b in terms of bonding explain the meaning of the term complex marks c identify one species from the following list that does not act as a ligand explain your answer h o o co not a ligand explanation marks d the element palladium is in the d block of the periodic table consider the following palladium compound which contains the sulfate ion d i give the oxidation state of palladium in this compound pd nh so mark d ii give the names of two possible shapes for the complex palladium ion in this compound shape shape marks turn over wmp jun chem
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Question 4 / 4

AQA Jun 2016 Paper 5 Q7 the following scheme shows some reactions of chromium compounds do not write outside the box reaction reaction crcl s cr h o aq p s green solid reaction reaction reaction cr h o aq q g p s r aq green solution a write an equation for reaction mark b for reaction identify the complex p state a reagent and write an equation marks identity of p reagent equation c for reaction identify q state a reagent and write an equation marks identity of q reagent equation wmp jun chem do not write outside the box d for reaction identify the complex r state a reagent and write an equation for the formation of r from p marks identity of r reagent equation e for reaction suggest the reagents and state the colour of cr h o aq marks reagents colour turn over for the next question turn over wmp jun chem
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