Louis deBroglie The electron moves through space as an energy wave.

Slides:

Advertisements

Similar presentations

The study of light emissions and absorptions

Advertisements

“No familiar conceptions can be woven around the electron. Something unknown is doing we don’t know what.” -Sir Arthur Eddington The Nature of the Physical.

 Valence electrons  Electromagnetic Spectrum  Light characteristics  Electrons and Light.

Energy and Electrons. Wave-Particle Duality JJ Thomson won the Nobel prize for describing the electron as a particle. His son, George Thomson won the.

“No familiar conceptions can be woven around the electron. Something unknown is doing we don’t know what.” -Sir Arthur Eddington The Nature of the Physical.

Electron Configuration and Energy Levels: Ground state: All the electrons in an atom have the lowest possible energies Most stable electron configuration.

Light and Electronic Transitions. The Big Questions What is light? How is light emitted? What do electrons have to do with light? What are emission spectra?

Why does this happen? Why does this happen? The electrons in the outer shell are “excited” by the energy received from the flame.

Electrons And Light. Electromagnetic Radiation Energy that travels as a wave through space Wavelength –λ – distance between corresponding points on adjacent.

Electrons and Light How does the arrangement of electrons in the atom determine the color of light that it emits?

Answers to FLAME Test Lab Qs

The ELECTRON: Wave – Particle Duality

The ELECTRON: Wave – Particle Duality Graphic:

Energy Unit Learning Goal #1: Evaluate the quantum energy changes in the atom in terms of the energy contained in light emissions.

Warm Up 10/21 Where can electrons be found in an atom? What is their electric charge?

Electromagnetic Radiation and Light Waves. Let’s Review Rutherford’s Atom The atom has a small dense nucleus which – Contains most of the mass of the.

The Electromagnetic Spectrum and Light. Wavelength - The distance between two consecutive peaks of a wave.

Introduction to Excited Elements Lab

Light & Quantized Energy Questions about the Atom.

Lesson: Electcromagnetic Spectrum (EMS)

Electrons Configurations Cartoon courtesy of NearingZero.net.

THE ELECTROMAGNETIC SPECTRUM

Unit 2 – Electrons and Periodic Behavior Cartoon courtesy of NearingZero.net.

Ground State vs. Excited State

Electrons in Atoms.

Atomic Number – and Atomic Mass Increase left to right.

Chapter 4 – Electrons Cartoon courtesy of NearingZero.net.

Section 5.1 Light and Quantized Energy. Objectives Compare the wave and particle models of light Compare the wave and particle models of light Define.

Wave-Particle Duality JJ Thomson won the Nobel prize for describing the electron as a particle. His son, George Thomson won the Nobel prize for describing.

4. Complex Knowledge: demonstrations of learning that go aboveand above and beyond what was explicitly taught. 3. Knowledge: meeting the learning goals.

The Atom Electrons outside the nucleus are attracted to the protons in the nucleus (positive and negative charge attract!) When charged particles move.

Electronic Structure. Wave-Particle Duality Wave-Particle Duality JJ Thomson won the Nobel prize for describing the electron as a particle. His son,

Electrons And Light. Electromagnetic Radiation Energy that travels as a wave through space Wavelength –λ – distance between corresponding points on adjacent.

The Electromagnetic Spectrum

HOMEWORK # 6 Spectral Lines WS.

Activity 5: The Electronic Behavior of Atoms

Light and Quantized Energy

Light and Electronic Transitions

Parts of Unit 4 part b Electrons and Periodic Behavior

Rutherford Model Know where the protons and neutrons are, but where are the electrons? If opposite charges attract, why do the electrons not fall into.

Today is Friday (!), February 26th, 2016

Why Light, why now?.

The first energy level? The 2nd energy level? The 3rd energy level?

Waves -There are eight different forms of energy: 1. gravitational

Bohr and Introduction To Electron Structure Part I.

On the white boards Draw out the basic structure of an atom Add labels

I’m coming around to grade this.

Wave-Particle Duality

Electromagnetic Spectrum

Light and Electronic Transitions

The ELECTRON: Wave – Particle Duality

Flame Test Lab By Henry Hodaly.

Bohr Model of Atoms & Electron Energy 2.5

Bohr Model of Atoms & Electron Energy 2.5

*Atomic structure* :).

The ELECTRON: Wave – Particle Duality

Electromagnetic Spectrum

Energy Unit Energy of an Electron.

Atomic emission spectrum

Identifying Elements by Color

The ELECTRON: Wave – Particle Duality

Electrons and Light!.

Electrons as Waves Part I.

Electromagnetic Spectrum

Warm-Up What and 3 sources of error in the flame test lab? (Don’t just say “we messed up.” Consider how you could have done things better or how the.

Energy Unit Energy of an Electron.

Presentation transcript:

Louis deBroglie The electron moves through space as an energy wave. In order to understand an atom, we need to understand the behavior or electromagnetic waves

Electromagnetic Spectrum Video

Long Wavelength = Low Frequency Low Energy Short Wavelength = High Frequency High Energy

Electromagnetic Spectrum

Electron Transitions Electrons transitions involve jumps with definite amounts of energy This produces bands of light with definite wavelengths.

Flame Tests Many elements give off characteristic light which can be used to help identify them. strontium sodium lithium potassium copper