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Chemistry Concepts: Atoms, Elements, and Ions Explained

Learn about atoms, elements, and ions in Grade 9 Science with a focus on Bohr-Rutherford diagrams. Explore the properties of Helium, Sodium, Neon, Iron, Gold, and more. Understand the composition of common compounds like acetic acid, glucose, and calcium phosphate. Discover the characteristics of elements through electron shells and atomic numbers.

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Chemistry Concepts: Atoms, Elements, and Ions Explained

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  1. More Bohr Rutherford Diagrams Grade 9 Science – Unit 3 – Chemistry

  2. He

  3. What is Helium?

  4. Na

  5. What is Sodium?

  6. Ne

  7. What is Neon?

  8. Fe

  9. What is Iron?

  10. Au

  11. What is Gold?

  12. The number of atoms in Acetic acid (vinegar) C2H4O2

  13. What is EIGHT?

  14. The number of atoms in Glucose (sugar) C6H12O6.

  15. What is 24?

  16. The number of atoms in Calcium phosphate Ca3(PO4)2

  17. What is 13?

  18. The number of elements in Acetylsalicylic acid (aspirin)C9H8O4

  19. What is THREE?

  20. The number of elements in Calcium carbonate (chalk)CaCO3

  21. What is THREE?

  22. The number of electrons in the OUTER SHELL

  23. What is EIGHT?

  24. The element in this diagram

  25. What is NEON?

  26. It is the element with two dots on the first shell closest to the nucleus, eight dots on the second shell and then three dots on the outer shell to total 13 electrons

  27. What is ALUMINUM?

  28. The number of NEUTRONS in the element Sodium

  29. What is 12?

  30. The charge of the ion when Calcium “gives away” its electrons from its outer shell

  31. What is 2+?

  32. The number of neutrons in Silicon if its Atomic Mass is 28

  33. What is 14?

  34. The Atomic Number of Boron

  35. What is 5?

  36. The number of electrons in Potassium (Chemical Symbol is K)

  37. What is 19?

  38. The elements with the maximum of electrons in their outer orbit

  39. What is NOBLE GAS?

  40. Atomic Mass of Oxygen

  41. What is 16?

  42. Dull or shiny

  43. What is LUSTRE?

  44. Ratio of mass to volume

  45. What is DENSITY?

  46. The measure of how easily a liquid flows

  47. What is VISCOSITY?

  48. Smell

  49. What is ODOUR?

  50. It is the resistance to being scratched or dented.

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