Unit 1: Atomic Structure and Properties

/ Unit 1: Atomic Structure and Properties

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Question Difficulty:

Question	Difficulty	Students Solved
Solution Dilution Calculation	hard	62
Calculating Mass from Moles	medium	46
Coulomb's Law and Distance	medium	41
Stoichiometric Calculation of Atoms	medium	24
Stoichiometric Calculation of Moles	medium	31
Empirical Formula From Molecular Formula	medium	32
Ranking Solutions by Molarity	medium	32
Electron Configuration and Element Identity	medium	30
Percent Composition By Mass	easy	27
Principle of Distillation	medium	24
Percent Composition by Mass	medium	22
Photoelectron Spectroscopy and Electron Configuration	easy	22
Calculating Moles From Mass	easy	23
Electrostatic Force Between Protons	medium	11
Calculating Moles From Mass	easy	15
Homogeneous and Heterogeneous Mixtures	easy	15
Elemental Composition By Mass	easy	10
Highest Electronegativity Element	easy	18
Successive Ionization Energies	medium	12
Principles of Electron Configuration	easy	15

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