CHEM 111 Exam I study guide PDF

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this is the study guide for the exam 1...

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CHEM 111 Study Guide for Exam 1: Chapters 1-2 Chapter 1: Atoms 1. Understand the difference among solids, liquids and gases. 2. Understand the composition of matter: elements, compounds, mixtures, etc. 3. Understand the law of conservation of mass, the law of definite proportions, and the law of multiple proportions. 4. Understand the structure of atoms. 5. Be able to read the element/isotope symbols. 6. Be familiar with ions and how to convert atoms to ions. 7. Understand atomic number, mass number and be able to recognize them from an element symbol. 8. Be able to calculate the atomic mass. 9. Understand the concept of mole, and be able to do calculations related to it. 10. Be able to convert between mass and the number of particles. Chapter 2: The Quantum-Mechanical Model of the Atom 1. 2. 3. 4. 5. 6.

Understand key concepts in a wave: amplitude, wavelength, frequency, etc. Understand the concept of interference and diffraction. Be able to calculate the wavelength from frequency, and vice versa. Be able to calculate the photon energy. Understand the 4 quantum terms: n, l, ml and ms. Be able to get the numbers for each of them. Be familiar with the shapes of s orbital and p orbital....