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#1 – We Are Family

#1 – We Are Family. Colour and label the families on the periodic table (halogens, chalcogens , nobel gases, transition metals, alkali metals, alkaline earth metals). Use a marker to draw in the stair case, signifying the metalloids. #2 – But WHY?.

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#1 – We Are Family

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  1. #1 – We Are Family • Colour and label the families on the periodic table (halogens, chalcogens, nobel gases, transition metals, alkali metals, alkaline earth metals). • Use a marker to draw in the stair case, signifying the metalloids.

  2. #2 – But WHY? Answer the following questions. Consider their properties and how many valence electrons they have. • What is the octet rule? • What is so special about the metalloids? • Why are alkali metals the most reactive metal? • Why are halogens the most reactive nonmetal? • Why are the noble gases (basically) nonreactive? • Which element would you expect to lose 3 electrons? Why would it gain instead of lose? • Which type of elements gain electrons? • Which type of elements lose electrons?

  3. #3 – I’ve Got My ION You Use Lewis Dot Diagrams and ionic charges to explain each of the following: • How does a sodium atom become a sodium ion? What kind of ion is this? • How does an oxygen atom become an oxygen ion? What kind of ion is it? • How do you know the ‘charge’ on an ion? • Explain how to find out the chemical formula if you mixed sodium with oxygen.

  4. #4 – That’s Not My Name • Name the following compounds and identify them as ionic or covalent: • SiF4 6. SO2 • NaBr 7. NaF 3. N2S3 8. MgCl2 4. Br2 9. V2O5 5. K3N 10. Cu2S

  5. #5 – Which Is Better • Complete the table in your book comparing ionic and covalent compounds. • Once you have completed the table, answer the following question about a hypothetical relationship. • If you were in a romantic relationship, would you want it to be ionic or covalent, and why?

  6. #6 – Kindergarten Cop • Answer the following questions: • What is a single bond? • What is a double bond? • What is a triple bond? • Why are two bonded nonmetals are never ionic? Explain.

  7. #7 – Balancing Act • Answer the following questions: • What is the law of conservation of mass? • Why does it apply to chemical reactions, such as the following? N2+ H2NH3 • Is this reaction balanced? • How do you know if a chemical reaction is balanced?

  8. #8 - Multiplicity • Balance the following reactions: • ____ K + ____ MgBr ____ KBr + ____ Mg • ____ H2O + ____ O2 ____ H2O2 • ____ NaBr + ____ CaF2 ____ NaF + ____ CaBr2 • ____ H2SO4 + ____ NaNO2 ____ HNO2 + ____ Na2SO­4 • ____ S8­ + ____O2 ____ SO3 • ____ Na + ____ H2O  ____ NaOH + ­­­____H2

  9. #9 – Are You My Mother? • Identify the following reactions as either combustion, neutralization, single replacement, double replacement, synthesis or decomposition. • NaBr+ Ca(OH)2CaBr2+ NaOH • C5H10+ O2CO2+ H2O • Pb+ H3PO4H2+ Pb3(PO4)2 • NH3+ H2SO4(NH4)2SO4 • HCl + NaOH --> NaCl + H2O

  10. #10 – Creation • Write 3 questions that you would expect to see on the test on a cue card with the answers on the back. • One question – true or false • One question – multiple choice • One question – short answer

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