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Ian page 43 Periodic Table Symbols

Ian page 43 Periodic Table Symbols. Main Ideas 1. Atomic Number 2. Atomic Mass 3. Chemical Symbols. Objective Research the History and Symbols of the Periodic Table of Elements using VSB Chemisty APP, notes, video, collaboration and written summaries. Divide page 42 of your IAN

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Ian page 43 Periodic Table Symbols

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  1. Ian page 43Periodic Table Symbols Main Ideas1. Atomic Number 2. Atomic Mass 3. Chemical Symbols Objective Research the History and Symbols of the Periodic Table of Elements using VSB Chemisty APP, notes, video, collaboration and written summaries.

  2. Divide page 42 of your IAN Periodic Table Symbols & Numbers TITLE OR

  3. Top Left Corner IAN pg. 42 8 O Oxygen 15.999 ATOMIC NUMBER Atomic Symbol Element name ATOMIC MASS Chemical Symbols will usually be RED = GAS, BLUE=LIQUID or BLACK=SOLID.

  4. Top Right Corner IAN pg. 42 8 15.999 O Oxygen -2 ATOMIC MASS ATOMIC NUMBER Atomic Symbol Element name Ionic Charge Chemical Symbols will usually be RED = GAS, BLUE=LIQUID or BLACK=SOLID.

  5. Bottom of IAN PAGE 42 • Choose 2 elements from your periodic table on page R-7 in your agenda. Pick a solid, and a liquid. Use the table on the wall to make sure you have one of each. • Copy and color each box as it appears in your table. • Label the atomic number, atomic symbol and atomic mass of each element.

  6. I. Atomic Numbers A. The Atomic Number is = to the # of PROTONS or Electrons. 1. The number of protons an element has is the IDENTITY of the atom! ***Always Remember that the Atomic Number is equal to the number of Protons or Electrons.

  7. The Atomic Mass is = to • the number of protonsplus the • number of neutrons. • (Mass # is rounded to get the At. Weight) • Li = 6.941 rounded to 7 • C. Atomic Mass– Atomic # = Neutrons • (Protons + Neutrons) – (Protons) = Neutrons • Ex. CarbonAtomicMass # : 12 (P & N) • Atomic # : 6 P • 6 N - -

  8. II. Symbols/Names A. Atomic/chemical symbols = shorthand version of element name. B. Scientists use chemical symbols, easier to write out

  9. C. Names & Symbols based on Latin name , place or honor a person. Ex. aurum for Gold. (Au) kalium for potassium (K) Ex. Polonium after Poland (Po) Einsteinium for Einstein (Es)

  10. D. One letter Symbol = Capitalized Two letter Symbol = Capital then lowercase. Ex. Sulfur = S, Neon = Ne What would “CO”be? CO = Carbon and Oxygen NOT COBALT = Co

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