A process in which one more mor substances change to make a new substance with new properties

What is an example of a chemical reaction

What are signs that a chemical reaction has occurred

Type of reaction in which 2 or more elements combine to forma single more complex compound. A+B yield AB

Type of reaction in which a single compound breaks down into parts. AB yield A+B

Type of reaction in one 1 element is being singled out/replaced AB + C yields AC + B

Type of reaction in which elements switch places. AB + CD yields AC + BD

Type of reaction in which energy is released

Type of reaction in which energy is taken in

Photosynthesis is what type of reaction?

Whats on the left side of the chemical equation

Whats on the right side of a chemical equation?

What does the arrow mean in a chemical reaction?

Hydrogen and oxygen reactants to form water. Whats the reactants?

Hydrogen and oxygen reactants to form water. Whats the products?

How many hydrogen atoms are in the following formula 2H2O

How many Carbon atoms are in the following formula: 3CH4

How do you know if a chemical equation obeys the Law of Conservation of Mass?

What does a subscript tell you?

What is the big number placed in from the formula called?

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