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Physical Sci – Catalysts - Unit 3. Review Sheet After Unit 2 Test Create a vocabulary foldable for Unit 3 Make a trifold like we did for the scientists in your NtBk , with 5 flaps per side On each flap write one of the terms, then under the flap sketch a picture showing the meaning,

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slide2

Review Sheet

  • After Unit 2 Test
  • Create a vocabulary foldable for Unit 3
    • Make a trifold like we did for the scientists in your NtBk, with 5 flaps per side
    • On each flap write one of the terms, then
    • under the flap sketch a picture showing the meaning,
    • On the back of the flap write the def. in your words
  • Anion CationCovalent Bond Ionic BondHydrogen Bond MoleculeCompound IonValence Electron Octet Rule
slide3

Review Sheet

  • After Unit 2 Test
  • Create a vocabulary foldable for Unit 3
    • Make a trifold like we did for the scientists in your NtBk, with 5 flaps per side
    • On each flap write one of the terms, then
    • under the flap sketch a picture showing the meaning,
    • On the back of the flap write the def. in your words
  • Anion CationCovalent Bond Ionic BondHydrogen Bond MoleculeCompound IonValence Electron Octet Rule
slide4

Catalyst #19 (Unit #3) :

  • How many valence electrons do each of these elements have:
    • Oxygen
    • Sulfur
    • Sodium
    • Magnesium
  • Complete an Electron Dot diagram for each of the above elements.
  • How many valence electrons does each of the elements need to become “stable”/”happy”?
  • Explain the difference between Ionic and Covalent bonding
slide5

Catalyst #20 (Unit #3)

  • Element Gain/Lose e-? how many? Ion
    • Nitrogen
    • Chlorine
    • Lithium
    • Aluminum
  • Name the following Ionic Compounds:
    • MgCl2 = _________ ____________
    • Al2O3 = _________ ____________
  • Name the following Covalent Compounds:
    • NO2 = _________ ____________
    • P2O5 = _________ ____________
slide6

Catalyst #21 (Unit #3)

  • Label each element as a Metal/Nonmetal/Metalloid, then the type of bonding for each of the following compounds (Ionic, Covalent):
    • MgCl2 = _________
    • Al2O3 = _________
    • H2O= _________
    • CO2 = _________
    • Ca(CO3) = _________
  • Name each of Compounds (use the right rules):
slide7

Catalyst #22 (Unit #3)

  • Label each element as a Metal/Nonmetal/Metalloid, then the type of bonding for each of the following compounds (Ionic, Covalent):
    • NaCl = _________
    • CH4 = _________
    • H2O2 = _________
    • MgF2 = _________
    • Ca(SO4) = _________
  • Name each of Compounds (use the right rules):
slide8

Catalyst #23 (Unit #3) :

  • Use the criss cross method to write the formulas for the following Ionic Compounds
  • Magnesium Chloride
  • Sodium Chloride
  • Calcium Sulfate
  • Magnesium Carbonate
  • Ammonium Nitrate
slide9

Catalyst #24 (Unit #3)

  • DESCRIBE and SHOW EACH STEP (explain) how you use the criss cross method to write the formulas for the
  • Magnesium Chloride [Ionic]
    • Write the Symbol for each element/polyatomic ion (Mg Cl)
    • ______________________
    • ______________________ (d)…, etc.
  • DESCRIBE and SHOW EACH STEP (explain) how you write the formulas for the Covalent Compound
  • DiHydrogenPentoxide
    • Write the Symbol for the 1st (H) convert the “ide” to the 2nd (O) (b)__, (c)___…, etc.
slide10

Catalyst #25 (Unit #3)

  • Al + CuCl2 Cu + AlCl3
  • In the chemical equation/reaction above,
  • What are the reactants?
  • What are the products?
  • What does the arrow mean?
  • How many of each element are on each side?
  • Balance the equation (show your work)
slide11

Catalyst #26 (Unit #3)

Ca(ClO3)2 CaCl2 + O2

In the chemical equation/reaction above,

What are the reactants?

What are the products?

How many of each element are on each side?

Balance the equation (show your work)

For each chemical equation, name it’s TYPE:

2Al + 3CuCl2 3Cu + 2AlCl3 ___________

Ca(ClO3)2 CaCl2 + 3O2 ___________

Na2SO4 + Mg(OH)2NaOH + MgSO4 ________

Li2O + MgBr2 2LiBr + MgO ________

2H2 + O2 2H2O ________

slide12

Catalyst #27 (Unit #3)

H2O  H2 + O2

In the chemical equation/reaction above,

What type of chemical reaction is this?

What are the reactants?

What are the products?

Does the equation show Conservation of Mass?

Balance the equation (show your work)

For each chemical equation, name it’s TYPE:

Na2SO4 + Mg(OH)2NaOH + MgSO4 ________

Mg + 2HCl  MgCl2 + H2 ________

CaO + H2O  Ca(OH)2 ________

slide13

Catalyst #28 (Unit #3)

H2O  H2 + O2

In the chemical equation/reaction above,

What type of chemical reaction is this?

What are the reactants? What are the products?

Balance the equation (show your work)

For each chemical compound, identify the type of bonding, and name the compound :

Se3Br4 ________ ________________

MgCl2 ________ ________________

Mg(OH)2 ________ ________________

How many valence electrons? What charge ?

O ___ _____ Li ___ ____ Al ___ ___

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