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Quantum chemistry

Atomic Radius

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Chemistry
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ions
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Ionic radius
Atomic radius
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Atomic Radius: The atomic radius is the size of the atom of an element. The values decrease. Yes, they both decrease. The atomic radius increases. Yes, but they increase at a slower rate. Ionic Radius: An atom becomes a cation when an atom loses electrons in a reaction. An atom becomes an anion when it gains electrons in a reaction. The cations? values decrease. The anion?s values also decrease. Yes, their trends are the same. The ionic radius value increases. Yes, they also increase. Electronegativity: Electronegativity is the measurement of an element?s tendency to react with electrons in a chemical bond. The values greatly increase. Yes, they both increase. The values slowly decrease. No, because only one number in group 18 is plotted.

Chapter 10

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Chemistry
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Chemistry
Chemical bonding
Quantum chemistry
Molecular orbital
Antibonding
Orbital hybridisation
Valence bond theory
Orbital overlap
Chemical bond
VSEPR theory
Sigma bond
Delta bond
Technology
Environment
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Attachment theory
Evolutionary biology
Personal life

Chemistry 1210: Introduction to General Chemistry Dr. Gina M. Florio 26 Nov. 2012 Jespersen, Hyslop, & Brady Chapter 10 Chemical Bonding & Molecular Structure VSEPR Theory Valence Shell Electron Pair Repulsion (VSEPR) Model: 1. e- pairs repel each other 2. e- pairs position themselves in 3D to minimize repulsion Molecules have well defined shapes based on their electronic structure. Molecular Structure: Shapes of molecules The shapes of molecules are derived from 5 different geometric structures that are classified by number of electron domains contained around the central atom. Two types of electron domains: Bonding domains (e- pairs in bonds) Nonbonding domains (e- pairs associated with a single atom)

Chapter 8

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Chemistry
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Atomic physics
Quantum chemistry
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Molecular physics
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Atomic orbital
electron configuration
Aufbau principle
Quantum number
Energy level
Technology
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Attachment theory
Evolutionary biology
Personal life

Chemistry 1210: Introduction to General Chemistry Dr. Gina M. Florio 05 November 2012 Jespersen, Brady & Hyslop Chapter 8 The Quantum Mechanical Atom Quantum Mechanics Ch. 8.1 The physics that describes objects with wave-particle duality is called quantum mechanics or quantum theory. In the late 1800?s, scientists discovered that electrons acted like tiny charged particles in some experiments and waves in others. Quantum mechanics accurately describes the structure and reactivity of atoms and molecules. Electromagnetic Radiation Ch. 8.1 Energy can be transferred as heat or as light. Electromagnetic radiation can be carried energy through space in the form of electromagnetic waves.

Semester 1 Final Study Guide

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Chemistry
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Molecular physics
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Valence electron
ion
Lewis structure
electron
Technology

Chemistry Final Exam Study Guide, Chapters 1-8 Chapter 1. Matter and Change Chemistry ? the study of matter and its changes Branches of Chemistry ? 1. Organic Chemistry ? substances containing carbon 2. Inorganic Chemistry ? substances not containing carbon 3. Biochemistry ? chemistry of living things DNA, protein, lipids, carbohydrates 4. Physical Chemistry ? properties and changes of matter with respect to energy 5. Analytical Chemistry ? identification of components and composition of matter. 6. Theoretic Chemistry ? creates mathematical models of chemical behavior Chemical ? any substance with a definite composition Mass ? amount of matter Matter ? takes up space and has mass

Chapter 6- Chemistry in Biology

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Biology
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molecule
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Proton
Isotope
Atom
Technology

Chapter 6-Chemistry in Biology COMPOSITION OF MATTER -Matter-everything in universe is composed of matter. -Matter is anything that occupies space or has mass -Mass-quantity of matter in an object -Weight-pull of gravity on us ELEMENTS -Pure substances that cannot be broken down chemically into simpler kinds of matter -More than 100 elements (92 naturally occuring) -90% of the mass of an organism is composed of 4 elements (oxygen, carbon, hydrogen, and nitrogen) -Each element has a unique chemical symbol -Consists of 1-2 letters -First letter is always captialized ATOMS -The simplest particle of an elemetnt that remains all the properties of that element. -Properties of atoms determine the structure and properties of the matter they compose.

Science history

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Chemistry
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Atomic physics
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Nuclear physics
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Atomic theory
Atomism
Atomic number
Chemical element
electron
Technology

History of Science ? ? Illusion ? Delusion - Truth I thought this was Science Course Science is the Truth ?. but but ?.. Science seems to change all the time Hmmmm First Quiz From Fire to Atomism Early Greek Atomic Theory Some thought EVERYTHING was made from water in one of the forms (ice, liquid, gas) Democritus ? atoms differed in only shape and size The concept of the ?nocut? atomos was developed ? SMALLEST BUILDING BLOCK Arostotle ? all matter is composed of four elements ? Earth, air, fire, water The philosopher's stone and the rise of alchemy ?convert cheaper metals into gold finding the?elixir of life ?in the air an "ether" which breathed life into living things Problems with Alchemy

Atomic Structure

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Chemistry
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Physics
Chemistry
Atomic physics
Quantum chemistry
Rotational symmetry
Introductory physics
Quantum electrodynamics
Bohr model
Introduction to quantum mechanics
Atomic orbital
electron
Principal quantum number
Technology

The Wave Nature of Light All forms of NRG/Light have characteristic wavelengths (?) and frequency (?). Inversely related ? ? = c (the speed of light) Light visible to the naked eye exists as a tiny portion of the electromagnetic spectrum Max Planck Transfer of energy was not continuous Only came in certain values (quantized) ?E = h? h = Planck?s constant = 6.626 x 10-34 Js Packets of energy (quantum Albert Einstein Proposed that electromagnetic radiation was quantized and made up of a stream of particles Photons The dual nature of light ? = h/mv (deBroglie equation) Electrons as Waves Louis de Broglie (1924) Applied wave-particle theory to electrons electrons exhibit wave properties QUANTIZED WAVELENGTHS

Periodic Trends Lecture

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Chemistry
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Periodic Table
ions
Ionization energy
Valence electron
Periodic trends
ion
Alkaline earth metal
Technology

* Chapter 7 Periodic Properties of the Elements John D. Bookstaver St. Charles Community College Cottleville, MO Lecture Presentation Development of Periodic Table Dmitri Mendeleev and Lothar Meyer independently came to the same conclusion about how elements should be grouped. Development of Periodic Table Mendeleev, for instance, predicted the discovery of germanium (which he called eka-silicon) as an element with an atomic weight between that of zinc and arsenic, but with chemical properties similar to those of silicon. Periodic Trends In this chapter, we will rationalize observed trends in Sizes of atoms and ions. Ionization energy. Electron affinity. Effective Nuclear Charge

AP bio summer hw ch 2 questions

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Properties of water
Substituent

AP Biology Summer Assignment Unit 2: The Chemistry of Life Ch. 2- Write the key concepts from chapter 2 (include concept number also). These are listed for you in the front of each chapter. The key concepts from chapter 2 are concept 2.1 which states, ?Matter consists of chemical elements in pure form and in combinations called compounds.? Concept 2.2 which states, ?An element?s properties depend on the structure of its atom.? Concept 2.3 which states, ?The formation and function of molecules depend on chemical bonding between atoms.? And lastly concept 2.4 which states, ?Chemical reactions make and break chemical bonds. Ch. 3- Use illustrations to describe how the structure of a water molecule allows it to form hydrogen bonds with other water molecules.

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