Bonding! Created by Educational Technology Network. www.edtechnetwork.com 2009

Electrons Types L. Structures Shapes Misc. 10 10 10 10 10 20 20 20 20 20 30 30 30 30 30 40 40 40 40 40 50 50 50 50 50

Topic 1 – 10 Points QUESTION: What is the name of the electrons located in the outer shell of an atom? ANSWER: valence electrons

Topic 1 – 20 Points 8 QUESTION: ANSWER: Other than H and He, how many electrons do atoms want in their outer shell? ANSWER: 8

Topic 1 – 30 Points How many outer shell electrons does oxygen have? QUESTION: How many outer shell electrons does oxygen have? ANSWER: 6

Topic 1 – 40 Points How many valence electrons does carbon have? QUESTION: How many valence electrons does carbon have? ANSWER: 4

Topic 1 – 50 Points QUESTION: Why do atoms bond? (answer must include the word “energy”) ANSWER: to achieve the most favorable arrangement or the lowest energy

Topic 2 – 10 Points QUESTION: ANSWER: Covalent What type of bond occurs when atoms share electrons? ANSWER: Covalent

Topic 2 – 20 Points What type of bond results in a sea of electrons? QUESTION: What type of bond results in a sea of electrons? ANSWER: Metallic Bond

Topic 2 – 30 Points QUESTION: What type of bond is the result of a large electronegativity difference between two elements? ANSWER: ionic

Topic 2 – 40 Points QUESTION: Give an example of two elements that form an ionic bond and two elements that would form a covalent bond. ANSWER: any metal and nonmetal, any two nonmetals

Topic 2 – 50 Points QUESTION: What are the two types of covalent bonds and what is the difference between them? ANSWER: polar covalent and nonpolar covalent Polar covalent – there is an uneven sharing of e-s

Topic 3 – 10 Points QUESTION: Draw CH4 ANSWER:

Topic 3 – 20 Points QUESTION: Draw CO2 ANSWER:

Topic 3 – 30 Points QUESTION: Draw N2 ANSWER:

Topic 3 – 40 Points QUESTION: Draw H4N2CO ANSWER:

Topic 3 – 50 Points QUESTION: Draw NO2- ANSWER:

Topic 4 – 10 Points QUESTION: What shape forms when there are three bonds and a lone pair on the central atom? ANSWER: trigonal pyramidal

Topic 4 – 20 Points tetrahedral QUESTION: What shape is formed when there are four bonds coming off a central atom? ANSWER: tetrahedral

Topic 4 – 30 Points QUESTION: What is the angle between the bonds of a trigonal planar molecule? ANSWER: 120

Daily Double Topic 4 – 40 Points QUESTION: SiO2 would produce what molecule shape? ANSWER: Linear Daily Double

Topic 4 – 50 Points QUESTION: What is the name of the theory that helps predict the shape of a molecule? ANSWER: VSEPR Theory

Topic 5 – 10 Points QUESTION: ANSWER: Ionic compounds form a ______________ structure. ANSWER: lattice

Topic 5 – 20 Points QUESTION: What is the strongest type of intermolecular force (IMF)? ANSWER: Dipole-Dipole

Topic 5 – 30 Points QUESTION: What two molecule shapes result in polar molecules? ANSWER: bent and trigonal pyramidal

Topic 5 – 40 Points What type of IMF exists between all molecules? QUESTION: What type of IMF exists between all molecules? ANSWER: London dispersion force

Topic 5 – 50 Points QUESTION: List two property differences between ionic and covalent compounds. ANSWER: melting points, conductivity, boiling points, brittle

Final Jeopardy H2S and CH2Br2 Question: What is the molecule shape, molecule polarity, and lewis structure for: H2S and CH2Br2 Answer: H2S = bent and polar CHBr= tetrahedral and nonpolar