Parts of a Chemical Equation
Types of Chemical Reactions
How many atoms?
Chemistry Terms
Balance Me!
100

In a chemical reaction the substances to the RIGHT of the YIELD sign are called?

Products

100

A reaction in which two or more substances combine to form a new compound.

Ex: A + B ---> AB

Synthesis

100

C2H6

C = 2 

H = 6


100

Matter cannot be created or destroyed is... 

The Law of Conservation of Mass

100

Balance this chemical equation:

H2 + NaCl ---> HCl + Na

H+ 2NaCl ---> 2HCl + 2Na

200

In a chemical reaction the substances to the LEFT of the YIELD sign are called?

Reactants

200

A reaction in which one substance breaks down into two or more substances. 

Ex: AB ---> A + B

Decomposition

200

NH3

N = 1

H = 3

200

A substance made up entirely of one type of atom.   Different types of atoms. Found on the periodic table, represented by single or double letters. 



Element

200

Balance this chemical equation:

NH4NO---> N2O + H2O

NH4NO3 ---> N2O + 2H2O

300

When balancing a chemical equation, these numbers CAN be changed.

Coefficients

300

A reaction in which a substance reacts with oxygen to release energy. 

Ex: Burning 

Combustion 

300

2H2O2

H = 4

O = 4

300

A substance which is formed by two or more different types of elements. Made up of more than one element.

Compound

300

Is this chemical equation balanced?

2Fe2O+ 3C ---> 4Fe + 3CO2

YES!

400

When balancing a chemical equation, these numbers CANNOT be changed.

Subscript

400

A reaction in which two compounds react to form two new compounds. 

Ex: AB + CD --->  CB + AD

Double Replacement

400

4Al(OH)3

Al = 4

O = 12

H = 12

400

A substance made up of two or more atoms that are chemically bonded together.

Molecule

400

Balance this chemical equation:

P4 + O2 →  P4O6


P4 + 3O2 →  P4O6

500

What do we call the arrow used in a chemical equation?

Yield

500

A reaction where one element replaces another element in a compound. 

Ex: A + BC ---> AC + B

Single Replacement

500

4CO+ 6H2O

C = 4

O = 14

H = 12

500

This is an example of a __________  ____________.

CaCO3

Chemical Formula

500

Balance this chemical equation:

NH3 + H2SO4 ---> (NH4)2SO4

2NH3 + H2SO4 ---> (NH4)2SO4

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