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Bonding II - Formulae

5. Bonding II - Formulae. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 25. 23. 24. 22. 19. 20. 21. answer. Write the formula for silver (I) chloride. 1. AgCl. answer. What is the valency of iron in iron ( III ) oxide?. 2. 3. answer.

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Bonding II - Formulae

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  1. 5 Bonding II - Formulae 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 25 23 24 22 19 20 21 Calderglen High School

  2. answer Write the formula for silver (I) chloride 1 AgCl Calderglen High School

  3. answer What is the valency of iron in iron (III) oxide? 2 3 Calderglen High School

  4. answer How is the valency of a transition metal shown in the names of its compounds? 3 Roman Numerals in brackets eg copper (II) chloride = valency 2 Calderglen High School

  5. answer What is the chemical formula of hydrogen sulphide? 4 H2S Calderglen High School

  6. answer What is the chemical formula of calcium oxide? 5 CaO Calderglen High School

  7. answer What is the valency of the Group 7 elements? 6 1 Calderglen High School

  8. answer What is the valency of the Group 2 elements? 7 2 Calderglen High School

  9. answer What is the chemical formula of hydrogen? 8 H2 Calderglen High School

  10. answer What is the chemical formula of carbon tetrachloride? 9 CCl4 Calderglen High School

  11. answer What is meant by the prefix:- Mono? 10 Mono = 1 ie carbon monoxide molecules contain one oxygen atom (CO) Calderglen High School

  12. answer What is meant by the prefix:- Di? 11 Di = 2 ie carbon dioxide molecules contain two oxygen atoms (CO2) Calderglen High School

  13. answer What is meant by the prefix:- Tri? 12 Tri = 3 ie sulphur trioxide molecules contain three oxygen atoms (SO3) Calderglen High School

  14. answer What is meant by the prefix:- Tetra? 13 Tetra = 4 ie carbon tetrachloride molecules contain four chlorine atoms (CCl4) Calderglen High School

  15. answer How many atoms of each element are present in a molecule of H2O? 14 H = 2 O = 1 Calderglen High School

  16. answer How many atoms of each element are present in a molecule of C6 H12O6? 15 C = 6 H = 12 O = 6 Calderglen High School

  17. answer Which elements have the most stable electron arrangement? 16 The Noble Gases Calderglen High School

  18. answer Name the compound with the formula N2O4 17 Dinitrogen tetroxide (tetraoxide) Calderglen High School

  19. answer What type of elements do not normally form bonds with other elements? 18 The Noble Gases Calderglen High School

  20. answer What type of elements bond together to form covalent bonds? 19 Non Metals Calderglen High School

  21. answer What is a molecule? 20 A group of atoms joined together by covalent bonds Calderglen High School

  22. answer H C H H H Draw a diagram to show the SHAPE of a methane molecule (CH4) 21 tetrahedral Calderglen High School

  23. answer What is the formula for copper(II) Nitrate?(You will need to use the Data Book) 22 Cu2(NO3)1 Answer - Cu(NO3)2 Calderglen High School

  24. answer An ionic compound has the formula X2O.In what Group of the Periodic Table could the element X be found? 23 Group 1 because it’s valency is 1 Calderglen High School

  25. answer What is the molecular formula for this molecule? 24 C2H6O H H H H C O C H H Calderglen High School

  26. answer What is the correct formula for this molecule? 25 H CHCl3 C Cl Cl Cl Calderglen High School

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