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1. sciencenotes.org › chemistry-dictionary-chemistryA to Z Chemistry Dictionary - Glossary of Chemistry Terms

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   Jul 3, 2017 · where X is the parent atom, Y is the daughter atom, Z is the atomic mass of X, A is the atomic number of X. Example: 238 U 92 decays by alpha decay into 234 Th 90. alpha hydrogen – An alpha hydrogen is a hydrogen atom bonded to the α-carbon in a molecule. α-hydrogen is the most common notation for alpha hydrogen.

2. www.thoughtco.com › chemistry-vocabulary-terms-youChemistry Vocabulary - Definitions of Chemistry Terms - ThoughtCo

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   rate determining step - The rate determining step is the slowest step in any chemical reaction. rate law - A rate law is a mathematical expression relating the speed of a chemical reaction as a function of concentration. redox reaction - A redox reaction is a chemical reaction that involves oxidation and reduction.

3. sciencenotes.org › what-is-an-atom-atom-definitionWhat Is an Atom? Atom Definition - Science Notes and Projects

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   Nov 19, 2023 · Atom Definition. An atom is the basic building block of matter, consisting of protons, neutrons, and electrons. An atom is the smallest unit of matter that forms a chemical element and cannot be divided using any chemical means. Every solid, liquid, gas, and plasma consists of neutral or ionized atoms.

4. www.thoughtco.com › a-to-z-chemistry-dictionaryA to Z Chemistry Dictionary - ThoughtCo

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   aromatic compound - an organic molecule that contains a benzene ring. Arrhenius acid - species that dissociates in water to form protons or hydrogen ions. Arrhenius base - species that increases the number of hydroxide ions when added to water. arsenic - metalloid with element symbol As and atomic number 33.

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5. chem.libretexts.org › Bookshelves › Introductory1.2: Basic Definitions - Chemistry LibreTexts

   chem.libretexts.org › Bookshelves › Introductory

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   Jun 23, 2022 · Chemistry is the study of matter and its interactions with other matter and energy. Matter is anything that has mass and takes up space. Matter can be described in terms of physical properties and chemical properties. Physical properties and chemical properties of matter can change. Matter is composed of elements and compounds.

6. ocw.mit.edu › courses › 5-111sc-principles-ofPrinciples of Chemical Science | Chemistry | MIT OpenCourseWare

   ocw.mit.edu › courses › 5-111sc-principles-of

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   This course provides an introduction to the chemistry of biological, inorganic, and organic molecules. The emphasis is on basic principles of atomic and molecular electronic structure, thermodynamics, acid-base and redox equilibria, chemical kinetics, and catalysis. One year of high school chemistry is the expected background for this freshman-level course. The aims include developing a ...

7. www.science.org › doi › 10Notes on Inorganic Chemistry | Science

   www.science.org › doi › 10

   eLetters is a forum for ongoing peer review. eLetters are not edited, proofread, or indexed, but they are screened. eLetters should provide substantive and scholarly commentary on the article.