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Chemistry

Explore the properties of atoms, elements, compounds, and the periodic table in this chemistry study guide. Learn about protons, neutrons, electrons, chemical changes, and more.

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Chemistry

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  1. Chemistry SNC 1DI

  2. Chemistry

  3. Structures and Atoms - 100 BACK The number of protons in a K atom. Answer: 19

  4. Structures and Atoms - 200 BACK • The number of neutrons in fluorine • Answer: • 10

  5. Structures and Atoms - 300 BACK • The number of electrons in oxygen’s 2nd orbit • Answer: • 6

  6. Structures and Atoms - 400 BACK • The charge on the stable ion created by aluminum • Answer: • +3

  7. Structures and Atoms - 500 BACK • An atom that slowly loses its atomic mass. • Answer: • radioisotope

  8. Matter & Changes - 100 BACK • An example of a chemical property. • Answer: • Combustibility or Reaction with acid

  9. Matter & Changes - 200 BACK • This property is the opposite of malleable. • Answer: • brittle

  10. Matter & Changes - 300 BACK • The word given to substances that can be pulled into wires • Answer: • ductile

  11. Matter & Changes - 400 BACK • The four signs of a chemical change • Answer: • new colour precipitate gas (bubbles) formed heat/light/sound produced

  12. Matter & Changes - 500 BACK • The mass of a 20X20X10 cm3 block of wood with a density of 0.49 g/cm3 • Answer: • 1960g

  13. Particle Theory & Classification - 100 BACK • The glowing splint tests for this gas • Answer: • oxygen

  14. Particle Theory & Classification - 200 BACK • The test that can be used to identify carbon dioxide • Answer: burning splint

  15. Particle Theory & Classification - 300 BACK • A piece of pizza would be classified as what type of matter? • Answer: • heterogeneous mixture

  16. Particle Theory & Classification - 400 BACK • Metals are classified as this type of matter • Answer: • elements

  17. Particle Theory & Classification - 500 BACK • The second point in the particle theory of matter is: • Answer: • Each individual substance has its own types of particles

  18. The Periodic Table - 100 BACK • The Alkali metals are found where in the periodic table • Answer: • 1st column (furthest to left)

  19. The Periodic Table - 200 BACK • The group to the left of the Noble gases is called this • Answer: • Halogens

  20. The Periodic Table - 300 BACK • The elements in the periodic table are arranged according to this • Answer: • atomic number

  21. The Periodic Table - 400 BACK • The charge on the ions made by the elements in oxygen’s group • Answer: • -2

  22. The Periodic Table - 500 BACK • N will have this many orbits, and this # of electrons in it’s outer orbit • Answer: • 2 orbits, 5 outer electrons

  23. History of the Atom - 100 BACK • The name of Rutherford’s model of the atom • Answer: • the nuclear model

  24. History of the Atom - 200 BACK • He based his model of the atom on experimental evidence for electrons • Answer: • J.J. Thomson

  25. History of the Atom - 300 BACK • The first person to propose that atoms exist • Answer: • Democritus

  26. History of the Atom - 400 BACK • When heat, light or electricity is applied to electrons they can change from ______ state to _______ state • Answer: • ground, excited

  27. History of the Atom - 500 BACK • He discovered that electric current could cause chemical changes in a solution • Answer: • Michael Faraday

  28. Compounds – 100 BACK • The number of oxygen atoms in Mg(SO4)2 • Answer: • 8

  29. Compounds – 200 BACK • The chemical name for Al2O3 • Answer: • aluminum oxide

  30. Compounds – 300 BACK • The chemical formula for sodium sulfide • Answer: • Na2S

  31. Compounds – 400 BACK • The chemical formula for barium nitride • Answer: • Ba3N2

  32. Compounds – 500 BACK • The chemical name for FeO • Answer: • iron (II) oxide

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