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Air Force Family Member Programs FitFactor Youth Fitness and Health Initiative

Air Force Family Member Programs FitFactor Youth Fitness and Health Initiative

Air Force Family Member Programs FitFactor Youth Fitness and Health Initiative. As a society, we can no longer afford to make poor health choices such as being physically inactive and eating an unhealthy diet; these choices have led to a tremendous obesity epidemic.

By mike_john
(341 views)

Five Tips for Effective Stress Management

Five Tips for Effective Stress Management

Five Tips for Effective Stress Management. Laughter. Spending time with people who enjoy a good laugh. Seeing a funny movie after a very stressful day Laughter is perhaps the best way to relieve stress. Planning . Thinking ahead so that you avoid the stress of cramming in for tests

By Michelle
(271 views)

Access to Science: Chemistry

Access to Science: Chemistry

Have a go at the element word search, use your periodic tables to help you!. Access to Science: Chemistry. Week 2 electronic configuration, basic and advanced. Are you ready to learn? Lab notebook out and a pen No food out, drinks away Phones on silent and in your bag

By johana
(367 views)

Electron Configurations

Electron Configurations

Electron Configurations. Mrs. Nielsen Honors Chemistry. Atomic Spectra and Niels Bohr. One view of atomic structure in early 20th century was that an electron (e-) traveled about the nucleus in an orbit. e- can only exist in certain discrete orbits QUANTIZED energy levels. Quantum Theory.

By Audrey
(624 views)

General Physics (PHY 2140)

General Physics (PHY 2140)

General Physics (PHY 2140). Lecture 16. Modern Physics Atomic Physics Early models of the atom Atomic spectra Bohr’s theory of hydrogen De Broglie wavelength in the atom Quantum mechanics and Spin. Chapter 28. http://www.physics.wayne.edu/~alan/2140Website/Main.htm. Lightning Review.

By johana
(344 views)

Light Emitting Diode: LED

Light Emitting Diode: LED

Light Emitting Diode: LED. What is an LED?. Light-emitting diode Semiconductor Has polarity. When current flows across a diode. Negative electrons move one way and positive holes move the other way. LED: How It Works. The wholes exist at a lower energy level than the free electrons.

By meli
(1179 views)

Electron Orbitals

Electron Orbitals

Electron Orbitals. Cartoon courtesy of lab-initio.com. The Bohr Model of the Atom. I pictured electrons orbiting the nucleus much like planets orbiting the sun. But I was wrong! They’re more like bees around a hive. Neils Bohr. Quantum Mechanical Model of the Atom.

By libitha
(591 views)

Chapter 7 Atomic Structure and Periodicity

Chapter 7 Atomic Structure and Periodicity

Chapter 7 Atomic Structure and Periodicity. 7.1 Electromagnetic Radiation. electromagnetic radiation : form of energy that acts as a wave as it travels includes: visible light, X rays, ultraviolet and infrared light, microwaves, and radio waves

By arty
(298 views)

Chapter 6: The Periodic Table and Periodic Law

Chapter 6: The Periodic Table and Periodic Law

CHEMISTRY Matter and Change. Chapter 6: The Periodic Table and Periodic Law. Table Of Contents. CHAPTER 6. Section 6.1 Development of the Modern Periodic Table Section 6.2 Classification of the Elements Section 6.3 Periodic Trends. Click a hyperlink to view the corresponding slides.

By sun
(626 views)

Electron Configuration and Orbital Notation

Electron Configuration and Orbital Notation

Electron Configuration and Orbital Notation. Dmitri Mendeleyev. Father of the Modern P.T. Periods and Group. Period – horizontal row on P.T. Each period represents an energy level (think back to models of the atom)

By lenci
(284 views)

Chemistry Chapter 5

Chemistry Chapter 5

Chemistry Chapter 5. Electrons in Atoms. 5.3 Electron Configuration. Objectives: 1. Apply the Pauli exclusion principle, the Aufbau principle and Hund’s rule to write electron configurations using orbital diagrams and electron configuration notation

By kalb
(132 views)

HYBRIDIZATION OF ATOMIC ORBITALS

HYBRIDIZATION OF ATOMIC ORBITALS

UNDERSTANDING MOLECULAR GEOMETRIES. PREDICTED BY VSEPR. H. H. C. H. H. FROM THE PERSPECTIVE OF. HYBRIDIZATION OF ATOMIC ORBITALS. Electron: Both wave and particle. Electron: Both wave and particle. FORCE & ENERGY. The forces at work are: Electromagnetic:

By kaspar
(408 views)

BELLWORK 10/27/16

BELLWORK 10/27/16

BELLWORK 10/27/16. QUANTUM MODEL OF THE ATOM – Day 2 Review. Organizes the electrons into 4 orbitals found on different energy levels. The four orbitals are … .s, p,d, f. ....... The “ s ” orbital can hold a maximum of ____ 2 electrons.

By erno
(146 views)

Observing the Effect of Electron Spin

Observing the Effect of Electron Spin

Electron Configuration and Chemical Periodicity-EXERCISE. Observing the Effect of Electron Spin. principal. n. positive integers (1, 2, 3,…). orbital energy (size). angular momentum. l. integers from 0 to n -1.

By niesha
(434 views)

Subshells and Orbitals

Subshells and Orbitals

Subshells and Orbitals. Quantum Mechanics. Describes the arrangement of electrons in atoms in terms of: Main or principal energy levels (n) Energy subshells Orbitals (space occupied within the atom). Principal Energy Levels (n). Contain electrons that are Close in energy

By dreama
(827 views)

Honors Chemistry Chapter 6

Honors Chemistry Chapter 6

Honors Chemistry Chapter 6. The Periodic Table. 6.1 Early Attempts @ Classification: Dobereiner & Newlands. 1817 – Johann Dobereiner found Ca , Ba, & Sr had similar props Atomic mass of Sr was ~ midway betw Ca & Ba Grouped them into Triads Found several triads w/ similar props

By oliver
(110 views)

TOPIC 3 PERIODICITY

TOPIC 3 PERIODICITY

TOPIC 3 PERIODICITY. 3.1 PERIODIC TABLE. The arrangement of elements in the periodic table helps to predict their electron configuration. NATURE OF SCIENCE (1.9)

By rigg
(774 views)

Molecular Geometry

Molecular Geometry

Molecular Geometry. Bonding. Covalent bonds occur when atoms are at an ideal distance from one another. At this distance attractive forces predominate repulsive forces. Too close the atoms repel each other. Too far away they do not attract. Bonding. Polarity of Polyatomic Molecules.

By brilliant
(149 views)

Every electron on an atom is in a definite state (energy level) with a definite energy.

Every electron on an atom is in a definite state (energy level) with a definite energy.

Quantum Theory. Every electron on an atom is in a definite state (energy level) with a definite energy. In order for an electron to change energy levels, a photon must be either absorbed or emitted, governed by Δ E = hc/ λ

By valmai
(150 views)

Early Chemistry

Early Chemistry

Early Chemistry. Early Chemists only believed in 1 element: Dirt Later Chemists believed in 4 elements: Air Earth Fire Water Various combinations of these produced various compounds. Basic Chemistry. All Matter in universe is composed of Atoms

By kamal
(187 views)

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