Standard Rubric
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is a reactant? | A reactant is a substance that undergoes a change in a chemical reaction
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| What is a product of a chemical reaction? | A product is the new substance formed as a result of a chemical reaction.
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| 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.
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| 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.
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| How is a covalent bond formed | a covalent bond is formed when pairs of valence electrons are shared among atoms.
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| 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.
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| 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.
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| 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-
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| 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
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Created by:
hunterhatton
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