Electron Arrangement and Periodic Law

Electron Arrangement and Periodic Law - Chapter 2 Atoms and...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
LecturePLUS Timberlake1 Chapter 2 Atoms and Elements Electron Arrangement and Periodic Law
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
LecturePLUS Timberlake2 Characteristics of Electrons Extremely small mass Located outside the nucleus Moving at extremely high speeds in a sphere Have specific energy levels
Background image of page 2
LecturePLUS Timberlake3 Energy of Electrons When atoms are heated, bright lines appear called line spectra Electrons in atoms arranged in discrete levels. An electron absorbs energy to “jump” to a higher energy level. When an electron falls to a lower energy level, energy is emitted.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
LecturePLUS Timberlake4 Loss and Gain of Energy G a I n L o s s
Background image of page 4
LecturePLUS Timberlake5 Learning Check EA1 Answer with 1) Energy absorbed 2) Energy emitted 3) No change in energy A. What energy change takes place when an electron in a hydrogen atom moves from the first (n=1) to the second shell (n=2)? B. What energy change takes place when the electron moves from the third shell to the second shell?
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
LecturePLUS Timberlake6 Solution EA1 A. 1) Energy absorbed B. 2) Energy emitted
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/09/2011 for the course CHEM 100 taught by Professor Sdfsdf during the Winter '08 term at BYU.

Page1 / 21

Electron Arrangement and Periodic Law - Chapter 2 Atoms and...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online