AP Chemistry/ Unit 2: Molecular and Ionic Compound Structure and Properties

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You’ll discover the range of chemical bonds and how their structure can affect the properties of the molecules created.

Question Difficulty:

Question	Difficulty	Students Solved
Average Bond Length in Resonance Structures	medium	56
Coulomb's Law and Ionic Solids	easy	66
Conductivity Ratio of Ionic Solutions	medium	33
Periodic Trends and Bond Polarity	medium	41
Bonding Types and Physical Properties	medium	38
Identifying Molecules with Resonance	medium	36
Electrical Conductivity of Network Covalent Solids	medium	40
Nonpolar Covalent Bond Characteristics	medium	36
Electrical Conductivity of Covalent Network Solids	medium	31
Potential Energy and Atomic Distance	medium	45
Conditions for Expanded Octets	easy	25
Effect of Lone Pairs on Bond Angles	medium	34
Carbonate Ion Bond Order and Resonance	medium	29
Nonpolar Covalent Bond Characteristics	medium	39
Incomplete Octet Exception	medium	22
Interstitial Alloy Formation	easy	44
Properties Of Ionic Compounds	medium	34
Properties for Substitutional Alloy Formation	medium	39
Methane Hybridization And Bond Angle	easy	24
Lewis Structure Electron Categories	easy	37

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Unit Leaderboard

Rank	User	Correct Count	Attempt Count	Total Time	Score
#1	dldpwn7424	96	100	0m 00s	9,560
#2	adhvika.wangoo	61	90	0m 00s	5,810
#3	yeoneunseol	56	108	0m 00s	5,080
#4	selenavuong2009	47	67	10m 14s	3,886
#5	ronthetennisguy	37	40	0m 00s	3,670
#6	ayemenduh	39	66	0m 00s	3,630
#7	leedonggyu0312	51	92	18m 01s	3,609
#8	nina.phob3	61	92	44m 21s	3,129
#9	rowidaabdelhakeem	30	40	0m 00s	2,900
#10	20221210	29	35	0m 00s	2,840

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