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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 reactions the -> symbol stands for this.
What is yields?
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

Description of CH3COOH using the word ATOMS or MOLECULES

What is two atoms of carbon, four atoms of hydrogen, and two atoms of oxygen?

100

This number CANNOT be changed when balancing 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

Law of conservation of Mass states this..

 Matter cannot be created or destroyed?

200
The symbol (g) stands for this in a chemical equation.
What is a gas?
300

Solve ___Na + __F2 ---> ___NaF

What is

2 Na + F 2 ----> 2 NaF

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

Lithium and Hydrogen have the same____

What is columns or characteristics?

300
A combustion reaction has these 3 things in every combustion reaction
What are hydrocarbons, carbon dioxide, and water?
300
CsF is an example of this
What is a compound?
400
Can be used to describe either an element or a compound
What is a substance?
400

Is H2 + O >>> H2O balanced?

What is YES!

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

2NO (colorless gas) + O2(colorless gas) ---> 2NO2 (brown gas)

Using the above chemical equation, this piece of evidence shows a chemical reaction occurred.

What is a brown gas produced?

500

A glacier melting would be an example of a ________ change because _______

What is a physical change because TECHNICALLY because its just being melted by the sun and can be refreezes?

500
These 3 things are essential in writing a chemical equation.
What are reactants, an arrow, and products?
500
If elements are in the same COLUMN they have similar________

What are characteristics?

500
Please list each type of reaction, give an example of each type, and balance each equation
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

Description of H2O using the word ATOMS or MOLECULES

What is 2 atoms of hydrogen and 1 atom of Oxygen?