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CHM 1100C EXAM 4 QUESTIONS WITH CORRECT ANSWERS

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Ionic bond - or = 2 polar covalent bond - 0.4and 2 incomplete octet - stable with fewer than eight electrons and include H, He, Li, Be, and B odd electron - odd number of valence electrons formal charge equation - (valence electrons) - (lone pairs) - (1/2) bonding electrons lattice energy equation - LE = k((Q1Q2)/r) , where k is constant, q1 and q2 are charges of ions and r is shortest distance between centers of cation and anion

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CHM 1100C EXAM 4 QUESTIONS WITH CORRECT
ANSWERS

covalent bond - ✔✔ 0-0.4



Ionic bond - ✔✔ > or = 2



polar covalent bond - ✔✔ 0.4<and <2



incomplete octet - ✔✔ stable with fewer than eight electrons and include H, He, Li, Be, and B



odd electron - ✔✔ odd number of valence electrons



formal charge equation - ✔✔ (valence electrons) - (lone pairs) - (1/2) bonding electrons



lattice energy equation - ✔✔ LE = k((Q1Q2)/r) , where k is constant, q1 and q2 are charges of ions and r
is shortest distance between centers of cation and anion



Hybridization - ✔✔ # of lone pairs + # of bonded atoms



Hybridization list - ✔✔ sp,sp2,sp3,sp3d,sp3d2



sigma and pi bonds - ✔✔ single bond: 1 sigma

double bond: 1 sigma, 1 pi

triple bond: 1 sigma, 2 pi



bond order equation - ✔✔ 1/2 (# of bonding electrons - # of antibonding electrons)

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