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Worksheets8G Science HW#9: Chapter 1.1 and 1.2
Total questions: 10
Worksheet time: 30mins
The process in which substances undergo chemical changes that results in the formation of new substances is called _______.
Chemical Reaction
Chemical Formula
Chemical Bond
Chemical Symbol
The force that holds atoms together is called _______.
Chemical Reaction
Chemical Formula
Chemical Bond
Chemical Symbol
A substance that enters into a chemical reaction is called _____.
Reactants
Products
Conservation of Mass
Decomposition
A substance formed as a result of a chemical reaction is called _____.
Reactants
Products
Conservation of Mass
Decomposition
The principle stating that matter is not created or destroyed during a chemical reaction is called _____.
Reactants
Products
Conservation of Mass
Decomposition
A chemical reaction in which two or more simple substances combine to form a new or more complex substance is called _______.
Synthesis
Decomposition
Replacement
A chemical reaction that breaks down compounds into simpler products is called _______.
Synthesis
Decomposition
Replacement
A reaction in which one element replaces another in a compound or when two elements in different compounds trade places is called _______.
Synthesis
Decomposition
Replacement
True or False:
Chemical reactions occur when chemical formula are formed or broken.
True
False
True or False:
A chemical equation uses symbols for the reactants and products of a chemical reaction.
True
False
