Regents Chemistry Practice Packet Unit 4: Atomic Structure

Practice Packet : unit 4 Atomic Structure 1 Name: _____ Regents Chemistry Practice Packet unit 4: Atomic Structure Assess Yourself: Vocab:_____ Lesson 1:_____ Lesson 2:_____ Lesson 3:_____ Lesson 4:_____ Lesson 5:_____ Lesson 6: _____ Lesson 7: _____ Practice Packet : unit 4 Atomic Structure 2 Vocabulary: Check your understanding. Describe each term in your words (not the textbook definition). Include pictures or examples to assist you. Anion:_____ Atomic Mass: _____ Atomic Mass unit (amu):_____ Atomic Number:_____ Cation:_____ Deflect: _____ Electron:_____ Emit: _____ Excited State:_____ Ground State: _____ Ion:_____ Isotope: _____ Kernel:_____ Mass Number: _____ Neutron:_____ Nuclear Charge: _____ Nucleon:_____ Nucleus: _____ Orbital:_____ Proton: _____ Shell (Principal Energy Level):_____ Stable Octet: _____ Valence Electrons:_____ Practice Packet : unit 4 Atomic Structure 3 LESSON 1: Atomic THEORY Rutherford Ernest Rutherford performed the Gold Foil experiment in 1911 which helped him develop the solar system or nuclear model of the atom.

Practice Packet: Unit 4 Atomic Structure 5 www.chempride.weebly.com Regents Practice: 1.) J.J. Thomson’s Cathode Ray Tube experiment led to the discovery of 1. the positively charged subatomic particle called the electron 2. the positively …

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