january 2012
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January , 2012. Atomic Math. Regular Atoms. Atomic Number = the number of protons = the number of electrons Atomic Mass = the number of protons + neutrons Gold P: 79 N: 197-79 = 118 E: 79. Your Turn: Regular Atoms. P: 23 N: 28 E: 23 P: 44 N: 57 E : 44 P: 53 N: 74 E : 53

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regular atoms
Regular Atoms
  • Atomic Number
    • = the number of protons
    • = the number of electrons
  • Atomic Mass
    • = the number of protons + neutrons
  • Gold
    • P: 79
    • N: 197-79 = 118
    • E: 79
your turn regular atoms
Your Turn: Regular Atoms
  • P: 23 N: 28 E: 23
  • P: 44 N: 57 E: 44
  • P: 53 N: 74 E: 53
  • P: 16 N: 16 E: 16
  • P: 14 N: 14 E: 14
  • P: 8 N: 8 E: 8
  • P: 86 N: 136 E: 86
  • P: 58 N: 82 E: 58
  • Vanadium
  • Ruthenium
  • Iodine
  • Sulfur
  • Silicon
  • Oxygen
  • Radon
  • Cerium
isotopes
Isotopes
  • Atoms of the SAME ELEMENT that have a different number of NEUTRONS (New Mass)

Gold - 200

  • Atomic Number
    • = Number of Protons
    • = Number of Electrons
  • Atomic Mass
    • = the number of Protons + Neutrons
    • =200 now! (See Above?)
  • Gold – 200
    • P: 79
    • N: 200 – 79 = 121
    • E: 79
your turn isotopes
Your Turn: Isotopes!
  • P: 6 N: 8 E: 6
  • P: 19 N: 18 E: 19
  • P: 76 N: 124 E: 76
  • P: 50 N: 65 E: 50
  • P: 29 N: 36 E: 29
  • P: 54 N: 80 E: 54
  • P: 22 N: 28 E: 22
  • P: 40 N: 60 E: 40
  • Carbon-14
  • Potassium-37
  • Osmium-200
  • Tin-115
  • Copper-65
  • Xenon-134
  • Titanium-50
  • Zirconium-100
slide6
Ions
  • Atoms of the same element where the ELECTRONS are not equal to the PROTONS
    • Charged Atoms
      • Losing Electrons Creates a Positive Ion
      • Gaining Electrons Creates a Negative Ion
  • Atomic Number
    • = the Number of Pr0tons
  • Atomic Mass
    • = the Number of Protons + Neutrons
  • Gold 3+
    • P: 79
    • N: 118
    • E: 79 – 3 = 76
your turn ions
Your Turn: Ions
  • P: 13 N: 14 E: 10
  • P: 5 N: 6 E: 9
  • P: 18 N: 22 E: 19
  • P: 34 N: 45 E: 32
  • P: 26 N: 30 E: 25
  • P: 88 N: 138 E: 93
  • P: 80 N: 121 E: 78
  • P: 10 N: 10 E: 12
  • Aluminum 3+
  • Boron 4-
  • Argon 1-
  • Selenium 2+
  • Iron 1+
  • Radium 5-
  • Mercury 2+
  • Neon 2-
ad