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Questions and Answers
What is the primary focus of a chemical reaction?
What is the primary focus of a chemical reaction?
- Formation of new elements
- Alteration of physical properties
- Change in the positions of electrons (correct)
- Change in the positions of nuclei
What are the initial substances involved in a chemical reaction called?
What are the initial substances involved in a chemical reaction called?
- Products
- Catalysts
- Reactants or reagents (correct)
- Precipitates
Which type of chemistry involves the chemical reactions of unstable and radioactive elements?
Which type of chemistry involves the chemical reactions of unstable and radioactive elements?
- Nuclear chemistry (correct)
- Inorganic chemistry
- Organic chemistry
- Physical chemistry
What do chemical reactions yield?
What do chemical reactions yield?
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What are elementary reactions in a chemical reaction?
What are elementary reactions in a chemical reaction?
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Study Notes
Chemical Reactions
- The primary focus of a chemical reaction is the transformation of one or more substances into new substances.
Reactants and Products
- The initial substances involved in a chemical reaction are called reactants.
- Chemical reactions yield products, which are the resulting substances formed during the reaction.
Branches of Chemistry
- Radiochemistry involves the chemical reactions of unstable and radioactive elements.
Reaction Mechanisms
- Elementary reactions are the simplest steps in a chemical reaction, representing a single reaction event.
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