'Initio com' diaporamas de présentation

BONDING & NOMENCLATURE

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Molecules and Ions

Molecules and Ions. Image courtesy of www.lab-initio.com. Molecules. Two or more atoms of the same or different elements, covalently bonded together. Molecules are discrete structures, and their formulas represent each atom present in the molecule. Pentane, C 5 H 12.

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Simple Organic Chemistry

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Measurement and Significant Figures

Measurement and Significant Figures. www.lab-initio.com. Steps in the Scientific Method. 1. Observations - quantitative - qualitative 2. Formulating hypotheses - possible explanation for the observation 3. Performing experiments - gathering new information to decide

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Vocabulary Lesson 7

Vocabulary Lesson 7. p. 90. Austere ( adj ): severe or stern in manner; without luxury or adornment, simple, plain; harsh or sour in flavor. Soldiers live in austere surroundings when they are at war. Financial austerity (n) means being very careful how you spend your money.

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Nuclear Decay

Nuclear Decay. Graphic: www.lab-initio.com. Nuclear Symbols. Mass number, A (p + + n o ). Element symbol. Atomic number, Z (number of p + ). Balancing Nuclear Equations. ? A reactants = ? A products. 235 + 1 = 142 + 91 + 3(1).

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Electron Orbitals

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HUMAN EVOLUTION

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Mass Spectrometry

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Mass Spectrometry

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Phase Changes

Phase Changes. Courtesy www.lab-initio.com. CA Standards. Students know energy is released when a material condenses or freezes and is absorbed when a material evaporates or melts. constant. Temperature remains __________ during a phase change. Water phase changes.

205 views • 10 slides