DR

David Rapp

North Central College
Teacher

Biography

I’m returning to teaching after being a chemist/lab tech for 10 years. Looking to build experience before pursuing full-time teaching.

Education

BA Chemistry
North Central College

Educator Statistics

Numerade tutor for 6 years
1 Students Helped

Topics Covered

Understanding Electronic Structure: A Comprehensive Guide

David's Textbook Answer Videos

03:15
Chemistry: The Molecular Nature of Matter and Change

A Bohr-model representation of the H atom is shown below with several electron transitions depicted by arrows: (a) Which transitions are absorptions and which are emissions? (b) Rank the emissions in terms of increasing energy. (c) Rank the absorptions in terms of increasing wavelength of light absorbed.

Chapter 7: Quantum Theory and Atomic Structure
David Rapp
1