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- 3. In the Periodic Table elements are arranged in order of? Atomic mass Atomic number Density Boiling
- 4. Neutral atoms of an element contain? Equal numbers of protons and neutrons Equal numbers of electrons
- 5. A vertical collection of elements in the Periodic Table are called? Groups Periods Columns Gases
- 6. A horizontal collection of elements in the Periodic Table are called? Groups Periods Rows Gases
- 7. In the Periodic Table gases occur? On the left On the left and middle On the
- 8. In the Periodic Table metals occur? On the left On the left and middle On the
- 9. The Group 7 Elements are also called? The halogens The transition elements The alkali metals The
- 10. The Group 1 Elements are also called? The halogens The transition elements The alkali metals The
- 11. In the Periodic Table metals get more reactive going towards? Top left Top right Bottom left
- 12. Which of these electron arrangements could be a noble gas? 2.1, 2.5 2.7 2.8
- 13. Which of these electron arrangements could be a halogen? 2.1, 2.5 2.7 2.8
- 14. Topic: Group 14 Recognise trends in chemical and physical properties down the group Be able to
- 15. The Carbon family group 14
- 16. Groups – columns of elements Downward columns are called groups. Na Mg Means in-between
- 17. GROUP 14 ?------------------------------------ Carbon ? ------------------------------------ Silicon ?------------------------------- Germanium ? ----------------------------------------- Tin ? ------------------------------------- Lead
- 18. 4 2,4 2,8,4 Group 14 Elements The elements at the top of Group 4 are non-metals.
- 19. The Carbon Family Nonmetal (carbon) 2 metalloids (silicon and germanium) 2 metals (tin and lead) Each
- 20. CARBON It has 6 electrons. Life on Earth would not exist without carbon. Except for water,
- 21. Example http://www.youtube.com/watch?v=wmC8Dg4n-ZA&feature=channel Carbon powder Carbon Compounds
- 22. Diamond Carbons are bonded via sp3 hybridization to 4 other carbon atoms forming a giant network
- 23. Graphite Carbon atoms are bonded via sp2 hybridization. Carbon atoms form sheets of six sided rings
- 24. Fullerenes Buckyballs: spherical Nanotubes: tube shaped Both have very interesting properties Super strong Conduct electricity and
- 25. Buckyballs Carbon atoms bond in units of 60 atoms (C-60) forming a structure similar to a
- 26. Silicon It has 14 electrons. The second most abundant element in Earth’s crust. Silicon is found
- 27. Silicon is the eighth most common element in the universe by mass. Pure silicon is a
- 28. Example http://www.youtube.com/watch?v=a2aWO5cL410
- 30. Germanium It has 32 electrons. It is a shiny, hard, grayish-white metalloid in the carbon group.
- 31. When it reacts with another substance, it loses one of the 4 electrons in its outmost
- 32. Example http://www.youtube.com/watch?v=osrKWVknkgs
- 33. Tin It has 50 electrons. Tin shows chemical similarity to both neighboring elements, germanium and lead.
- 34. The organic tin bonds are the most dangerous forms of tin for humans. Organic tins can
- 35. Example http://www.youtube.com/watch?v=KJIUuO1b1fQ http://www.youtube.com/watch?v=qEwCPJOP0Mg Tin Metal Tin bonds
- 36. Lead It has 82 electrons. Lead has long been recognized as a harmful environmental poison. Lead
- 37. Lead is a poisonous substance to animals. It damages the nervous system and causes brain disorders.
- 38. Example http://www.youtube.com/watch?v=nK8VZ3Aqwpo&feature=related Pure lead
- 39. Lead poisoning in KZ In 2010, local families switched on their TV sets and learned that
- 40. Lead poisoning in KZ There is no acceptable level for lead in the body, according to
- 41. Lead paint or lead-based paint is paint containing lead. As pigment, lead(II) chromate (PbCrO4, "chrome yellow"),
- 42. Lead in Paints https://www.youtube.com/watch?v=br1acRXJfoY
- 43. Silicon carbide It is a compound of silicon and carbon. It is extremely hard.
- 44. The structures of carbon dioxide and silicon dioxide There is an enormous difference between the physical
- 45. The structure of carbon dioxide The fact that carbon dioxide is a gas means that it
- 46. Carbon Oxygen
- 47. The structure of silicon dioxide Silicon doesn't double bond with oxygen. Silicon atoms are bigger than
- 48. The acid-base behaviour of the Group 4 oxides The oxides of the elements at the top
- 49. Properties Group 14
- 50. Group work / Stations 1.Each group will make poster for a station . 2. Then all
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