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Vocabulary that Matters
Chemicals Don't Reason they React
Balancing Act
Who Dat?
Miscellaneous
100
When one or more substances are changed into new substances is called this.
What is a chemical reaction?
100

In chemical equations, this symbol indicates a reaction occurred.

What is arrow?

100
When the number of atoms are equal on both sides of the equation, this law has been fulfilled.
What is the Law of Conservation of Mass
100
If there is one product in your equation, then you have this type of reaction.
What is a synthesis reaction?
100
The diatomic elements are written with one of these in a chemical equation.
What is a subscript?
200
When the number of atoms is equal on each side we say that the equation is this.
What is balanced?
200
When heat is produced, light is emitted, or a precipitate is formed this is an indication of this
What is a chemical reaction/change?
200
These are used to help balance chemical equations.
What are coefficients?
200
This chemical reaction has the generic formula of: AB --> A + B
What is a decomposition reaction?
200
The symbol (g) stands for this in a chemical equation.
What is a gas?
300
When an element occurs naturally with a subscript of 2 it is called this.
What is a diatomic element?
300
In the chemical reaction, Mg + O -> MgO, the compound MgO is located on this side of the equation.
What is the product side?
300
Balance the following chemical equation. You must show all work and simplify your answer. Fe + O2 --> Fe2O3
4 Fe + 3O2 --> 2Fe2O3
300

A combustion reaction has these 3 things in every combustion reaction

What are oxygen, carbon dioxide, and water?

300

ZnCl is an example of this

What is a compound?

400

We need to determine the ________ of each element to predict the compound

What is the charge?

400
Elements form compounds in order to satisfy this characteristic.
What is a complete octet?
400
Balance the following equation. You must show all work and simplify your answer! Li + Br2 --> LiBr
2Li + Br2 --> 2LiBr
400

When ions from 2 compounds switch places, this type of reaction occurs.

What is a double displacement reaction?

400

This reaction could be classified as this type:

 2Na + 2H2O --> 2NaOH + H2

What is a single replacement reaction?

500

This term refers to the number that tells us how many atoms are in each molecule.

What is a subscript?

500
These 3 things are essential in writing a chemical equation.
What are reactants, an arrow, and products?
500
Balance the following equation. You must show all work and simplify your answer! C6H6 + O2 --> CO2 + H2O
2C6H6 + 15O2 --> 12CO2 + 6H2O
500

Please list all 5 types of reactions

Ca + S --> CaS, synthesis 2AlN --> 2Al + N2, decompostion CH4 + 2O2 --> CO2 + 2H2O, combustion 2KI + Cl2 --> 2KCl + I2, single replacement Pb(NO3)2 + 2NaI --> 2NaNO3 + PbI2, double displacement

500

If a polyatomic ion is not present on both sides of an equation, you should:

What is split up the elements