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Flashcards

Chemistry

Mateusz Palmer English 96 cards

Chemistry

Cards in this deck (96)

  1. 1What does the periodic table show?Elemants!
  2. 2What is a element?One type of atom
  3. 3What is a compound?Different atoms joint together
  4. 4What is a mixture?Different atoms mixed but not joined together
  5. 5Work out the atomic mass of helium. 4 He 24
  6. 6Work out the atomic mass of argon 40 Ar 1840
  7. 7What is an atom made up of?Electrons
    Protons
    Neutrons
  8. 8Protons are... Positive, Negative or Neutral?Positive
  9. 9Electrons are... Positive, Negative or Neutral?Negative
  10. 10Neutrons are... Positive, Negative or Neutral?Neutral
  11. 11Name the parts of an atom.Name the parts of an atom.Name the parts of an atom.
  12. 12What are the weight of Protons, Neutrons and Electrons like?Protons have same weight of neutrons.
    Electrons have nearly no weight.
  13. 13—Read itRead it
  14. 14Work out the number of protons, neutrons and electrons of a helium atom. 4 He 2Protons 2
    Neutrons 2
    Electrons 2
  15. 15Work out the number of protons, neutrons and electrons of a boron atom. 11 B 5Protons 5
    Neutrons 6
    Electrons 5
  16. 16—ReadRead
  17. 17What is a noble gas?A stable gas that has a full outer shell.
    A inert gas (chemically inactive)
  18. 18Are noble gases colourless and odorless?Yes!
  19. 19Name some noble gases.Helium
    Neon
    Argon
    Krypton
  20. 20How many electrons do each shells have?1st = 2
    2nd = 8
    3rd = 8
    ect. = 8
  21. 21What is the shell structure of lithium (atomic number = 3), carbon (atomic number = 6), Neon (atomic number = 10), aluminium (atomic number = 13), calcium (atomic number = 20) and chlorine (atomic number = 17).Lithium: 2.1
    Carbon: 2.4
    Neon: 2.8
    Aluminium: 2.8.6
    Calcuim: 2.8.8.2
    Chlorine: 2.8.7
  22. 22What does the number of shells tell us?What period it is in.
  23. 23What periods are nitrogen (atomic structure: 2.5), helium (atomic structure: 2) and magnesium (atomic structure: 2.8.2) in?Nitrogen = 2
    Helium = 1
    Magnesium = 2.8.2
  24. 24What is an isotope?An atom with different amounts of neutrons.
  25. 25Give examples of oxygen isotopes? 16 O 817 18 19 Ect.
    O O O O
    8 8 8 8
  26. 26What is the formula to find the average atom atomic mass?[(% × mass) + (% × mass)] ÷ (% + %)
  27. 27What is the averge of Cl? Cl 35 = 75% Cl 37 = 25%Cl = 35.5
  28. 28What is the text for metal ions?Flame colour test
  29. 29What coulor is the flame for: - sodium (Na+) -potassium (K+) -calcium (Ca2+) -copper (Cu2+)Sodium = yellow
    Potassium = Lilac
    Calcuim = Red
    Copper = Green/Blue
  30. 30What can a spectroscope do?Split the colours of a chemical in a flameWhat can a spectroscope do?
  31. 31How do you do a precipitation test?How do you do a precipitation test?
  32. 32What is the test for carbonate ions?What is the test for carbonate ions?
  33. 33—
  34. 34—
  35. 35Does a ionic stubstance have a low or high melting point?HighDoes a ionic stubstance have a low or high melting point?
  36. 36Does a metal stubstance have a low or high melting point?highDoes a metal stubstance have a low or high melting point?
  37. 37Does a simple molecular stubstance have a low or high melting point?LowDoes a simple molecular stubstance have a low or high melting point?
  38. 38Does a giant molecular stubstance have a low or high melting point?HighDoes a giant molecular stubstance have a low or high melting point?
  39. 39Does a ionic stubstance have a low or high boiling point?HighDoes a ionic stubstance have a low or high boiling point?
  40. 40Does a metalic stubstance have a low or high boiling point?HighDoes a metalic stubstance have a low or high boiling point?
  41. 41Does a simple molecular stubstance have a low or high boiling point?Low! Sugar breaks downDoes a simple molecular stubstance have a low or high boiling point?
  42. 42Does a giant molecular stubstance have a low or high boiling point?HighDoes a giant molecular stubstance have a low or high boiling point?
  43. 43Name some ionic substancesMagnesium oxide
    Potassium hydroxide
    Sodium chloride
    Ect.
  44. 44Name some metalic substancesCopper
    Gold
    Mercury
    Ect.
  45. 45Name some simple molecular stubstancesDodecane
    Ethanol
    Sugar
    ect.
  46. 46Name some giant molecular substancesDiamond
    Sand
    ect.
  47. 47What is the word for dissolves in water?Aqueous
  48. 48Learn electricity conductivityLearn electricity conductivity
  49. 49What is an ionic bond?Electrons that have gained or lost charges to make the ionic bond
  50. 50What is a ionic lattice?An ionic bond with stucture of postive and negative charges
  51. 51What does a ionic lattice look like?What does a ionic lattice look like?
  52. 52Why do ionic substances have high melting points?Because they have stong structured bonds
  53. 53What is a covalent bond?Shared pair of electrons
  54. 54What would HCl look like?What would HCl look like?
  55. 55What is a double covalent bond?2 shared pairs of electrons
    Atoms can share more than one atom if it is needed to make a full outer shell    What is a double covalent bond?
  56. 56Name two giant molecular substancesDiamond
    Graphite
  57. 57Metals structureOnly have few atoms in outer shell.
    As a solid the atoms are very close together and outer electrons overlap
    Outer electrons are gree to move.
    The electons are not located in specific atoms, they are called delocalided electrons.
    Metal atoms form potive ions.
  58. 58Most metals are...Transition metals
  59. 59What is a transition metal?In the central block of the periodic table.
    Have high melting points and form coloured compounds.
  60. 60Name the 3 types of bonding.Ionic
    Covalent
    Metalic
  61. 61Ionic bonding uses what ions.A postive ion and a negative ion.
  62. 62Ionic compounds have high or low melting/boiling points?High!
  63. 63Ionic compounds have weak or strong bonds?Strong! Meaning they need lots of energy to break!
  64. 64Ionic compounds conduct electricity in what form/forms?Liquid
  65. 65Covalent comounds share?Paires of electrons
  66. 66Covalent comounds have high or low melting/boiling points?Low!
    Apart from giant molecular!
  67. 67Covalent bonds comduct electricity in what form/forms?None! Apart from graphit!
  68. 68Metalic compounds have what electons?Delocalided
  69. 69Metalic compounds have what ions?Metal!
  70. 70Metalic compounds conduct electricity in what form/forms?Solid and liquid!
  71. 71Barium meal is done using?Insoluble precipitates
  72. 72Barium sulphate is opaque meaning?X-rays do not pass through it and are absorbed
  73. 73What does a barium sulphate show up as on a x-ray photograph?White
  74. 74Most barium solutions are toxic. However barium sulphate is insoluble. This prevents it getting into the?Blood!
  75. 75Chromatography is measured by?Rf = distance moved by compound ÷ distance moved by solvent
  76. 76Name some alkali metals.Lithium
    Sodium
    Potassium
    Rubidium
    Caesium
  77. 77As the atomic number increase in a alkali metal what decreases?Melting points and boiling points.
    But density increases.
  78. 78Alkali metals react with water to form a?Metal hydroxide and hydrogen gas.
  79. 79Alkali metals are in the same group of the periodic table. This means they all have?Similar reactions.
  80. 80Metal hydroxides are alkaline. Litium + water --》lithium hydroxide + hydrogen Give the chemical reaction. Li H(2)O2Li + 2H(2)O --》 2LiOH + H(2)
  81. 81The other alklai matals are similar as they for ions wha charge of?+1
  82. 82Lithuim, Sodium and Potassium do what in water?Lithuim fizzes.
    Sodium fizzes and melts.
    Potassium fizzes, melts and burns.
  83. 83Lithium (Li+ 2,1) last electron stays better than Sodiums (Na+ 2,8,1) and Potassium (K+ 2,8,8,1) because?The electon is closer to the nucleus meaning it doesn't have as strong of a pull keeping it in.
  84. 84The single bond of a alkali metal is?Negative
  85. 85The nucleus in a alkali metal is?Positve
  86. 86The further away the single bond is the weaker?Connection
  87. 87This means potassium is more or less reactive than lithium?More!
  88. 88Name some halogens on group 7!Fluroine
    Chlorine
    Bromine
    Iodine
  89. 89What colour and comounds are fluroine, chlorine, bromine and iodine?Flurine - Clear gas
    Chlorine - Yellow gas
    Bromine - Browny liquid
    Iodine - Grey solid
  90. 90What is the relative mass of a electron, neutron and proton?1/1837
    1
    1
  91. 91What is the relative charge of a electron, neutron and proton?-1
    0
    +1
  92. 92Group 7 Halogens react with metals to form?Metal halides.
  93. 93Fluroine is the most reactive halogen and iodine is the least reactive, this means the reation with a metal would be quicker using which halogen?Fluroine
  94. 94Halogen reactions 2Na + Cl(2) --》 Lithium + bromine --》2NaCl
    Lithium Bromide
  95. 95Everything in group 7 goes around in?Two's!
  96. 96If a halogen is added to a solution of a compound with a weaker halogen in it it will?React with the compound to create a new one

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Flashcards on Chemistry, created by Mateusz Palmer on 01/11/2016.
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Mateusz Palmer
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