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Transcript
Name Date Per READING GUIDE: 5.1 – Revising the Atomic Model (p. 128-133) Atomic Theory and Electrons 1) Summarize the contributions of each of the following individuals to our understanding of the atom and atomic structure (you may have to look back into CH 4 for the first 3…or the summary on page 133). Include a sketch of what the atom would look like according to their explanations. • Dalton: • Thomson: • Rutherford: • Bohr: • Shrodinger: 2) How did Bohr’s model of the atom differ from Rutherford’s? (hint: think electrons!) 3) Describe how the quantum theory of atomic structure differs from Bohr’s theory. (hint: think electrons again!) 4) How many energy SUBLEVELS are in each of the following principal energy levels? What types of sublevels are they? Complete the chart below: Principal Energy Level: Number of sublevels: Type of Sublevel: n=1 n=2 n=3 n=4 5) Complete the following chart summarizing the different orbitals: ORBITAL NAME NUMBER OF ORBITALS MAXIUM NUMBER OF ELECTRONS s p d f 6) How many orbitals (and therefore how many electrons) are in the following sublevels? Energy sublevel: # of orbitals: # of electrons: 3p sublevel 2s sublevel 4f sublevel 4p sublevel 3d sublevel 5d sublevel 1s sublevel 2p sublevel 7) Draw the 2s and 2px and 2py orbitals. 8) How can electrons in an atom move from one energy level to a HIGHER energy level? 9) How can electrons in an atom move from one energy level to a LOWER energy level?