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Karteikarten

Chemistry Unit 1

Yamz 2222 Chemistry Year 10 Englisch 20 Karten

Chemistry Unit 1

Karten in diesem Stapel (20)

  1. 1AtomsAtom: the smallest particle of a chemical element that can exist.
    The number of protons determines what element it is.
    The number of protons = Number of electrons in a neutral atom.
  2. 2ElementsElement: it's a substance that is made of only one sort of atom.
  3. 3IsotopesIsotopes are the atoms of an element with different numbers of neutrons. They have the same proton number, but different mass numbers.
  4. 4Compounds2 or more different elements chemically (bonded) joined together.
  5. 5MixtureContains 2 or more different elements or compounds that are not chemically bonded
    to each other.
  6. 6Models of the atomsPlum pudding model
    Nuclear model
    modern atom
  7. 7Plum pudding model JJ.ThompsonElectrons of negative charge in a sphere of positive charge.Plum pudding model JJ.Thompson
  8. 8Rutherford's nuclear modelA small and dense positively charged nucleus.
    Electrons surround the nucleus .
    Most of the atom is empty space.    Rutherford's nuclear model
  9. 9Modern modelProtons/Neutrons in nucleus
    Electrons orbit on set paths (orbits).    Modern model
  10. 10To separate an INSOLUBLE substanceinsoluble: a substance that'll not dissolve
    in a solvent.
  11. 11DecantingLiquid is poured out and the solid is left behind
  12. 12FilteringSolid residue is left, the liquid goes through
    the funnel.
  13. 13PanningLiquid is poured off from the top solid stays
    in the pan.
  14. 14Separating soluble solidsEvaporation
    Distillation
    Chromatography.
  15. 15Evaporation(boiling)
    Water or liquid evaporates, solid is left behind.
  16. 16DistillationBoiling/ evaporation followed by condensation ( to get the liquid ).Distillation
  17. 17ChromatographyUsed to separate small amounts of substances
    depending on their solubility.    Chromatography
  18. 18Saturated solutionsA solution in which no more of the solute can dissolve.
  19. 19MagnificationUse a formula triangle:
    Put your finger over the one you want and read off the formula.    Magnification
  20. 20Converting between unitsGiga
    Mega ↓
    Kilo
    by 1000 0 × by 1000
    Mili
    ↑ Micro
    Nano

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Beschreibung
Year 10 Chemistry Karteikarten am Chemistry Unit 1, erstellt von Yamz 2222 am 18/11/2017.
Erstellt von
Yamz 2222
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