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Chemistry #2

Standard Rubric

QuestionAnswer
What is a reactant? A reactant is a substance that undergoes a change in a chemical reaction
What is a product of a chemical reaction? A product is the new substance formed as a result of a chemical reaction.
What is the Law of Conservation of Mass? The law of conservation of mass states that the mass cannot be created or destroyed in a chemical reaction.
How is an ionic bond formed? An ionic bond is formed when one or more valence electrons are transferred between atoms. An ionic bond is the force of attraction that holds cations and anions together.
How is a covalent bond formed a covalent bond is formed when pairs of valence electrons are shared among atoms.
How is a metallic bond formed a metallic bond is formed when metal atoms become cations and share a pool of freely moving valence electrons between their nuclei.
why do atoms react to form chemical bonds some atoms react to form chemical bonds to achieve a more sable electron configuration like those of a noble gas.
what is a ion an ion is an atom or groups of atoms that has gained or lost electrons and has a positive or negative charge. EX. Na+ or F-
list the five general types of chemical reactions and write the general equation for each synthesis: A+B->AB Decomposition: AB->A+B single-replacement: A+BC->B+AC Double-replacement: AB+CD->AD+CB Combustion: CxHy+O2->CO2+H2O
Created by: hunterhatton
 

 



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