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Vocabulary that Matters
Chemicals Reaction
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 reactions the -> symbol stands for this.

What is yields/produces?

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

2 reactants --> 1 product 

Hint: Synthesis or Decomposition? 

What is a synthesis reaction?

100

The SMALL number in an 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. (Hint: You can NOT change it back).

What is a chemical reaction/change?

200

These are used to help balance chemical equations.

What are coefficients?

200

1 product ---> 2 products  

What is a decomposition reaction?

200

The symbol (g) stands for this in a chemical equation.

Hint: It's a state of matter. 

What is a gas?

300

The substances that we start with 

What is a reactant?

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

In following chemical equation. How many Fe are on the reactant side?

 Fe + O2 --> Fe2O3

1

300

A chemical reaction that uses OXYGEN 

What is combustion? 

300

CsF is an example of this

Hint: Is it made of 1 or 2 thing(s)?


What is a compound?

400

The substances that we end up with 

What is a product?

400

Elements form compounds in order to satisfy this characteristic. (Hint: 8 valence electrons) 

What is a complete octet?

400

In following chemical equation. How many Br are on the product side?

2Li + Br2 --> 2LiBr

2

400

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

What is a double displacement reaction?

400

when one element takes the place of another element in a compound.  

Hint: Type of chemical reaction

What is a single replacement reaction?

500

When heated is released from a system

What is exothermic?

500

These 3 things are essential in writing a chemical equation.

What are reactants, an arrow, and products?

500

In following chemical equation balanced? 

 C6H6 + O2 --> CO2 + H2O

No

500

List the 5 types of chemical reactions. 

Synthesis, Decomposition, Combustion, Single Displacement, and Double Displacement 

500

Characteristics of a balanced equations. 

Even number of reactants and products