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Vocabulary that Matters
Chemicals Don't Reason they React
Balancing Act
Who's Reacting?
Miscellaneous
100
When one or more substances are changed into new substances is called this.
What is a chemical reaction?
100
The number in front of the atom tells how manny molecules there are.
What is coefficient?
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 symbol for water is written with one of these in the 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 or solid 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
What the arrow tells in the chemical equation
What is the direction of the reaction?
300
The small number below an atomic symbol that tells you how many atoms there are.
What is a subscript?
300
In the chemical reaction, Mg + O -> MgO, the compound MgO is located on this side of the equation. (Don't say right or left)
What is the product side?
300
Count the number of oxygen atoms in the following equation: 2Fe2O3
6 O
300
How many products in a replacement reaction?
More than one
300
CsF is an example of this
What is a chemical formula (or compound)?
400
The chemicals you have at the start of chemical reaction
What are the reactants?
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 in this way 2Na + 2H2O --> 2NaOH + H2
What is a single replacement reaction?
500
The chemicals you have at the end of chemical reaction?
What arte the products?
500
These 3 things are essential in writing a chemical equation.
What are reactants, an arrow, and products?
500
Which element in the equation below is not balanced? HgO --> Hg + O2
Oxygen
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
The number of oxygen atoms in 3 H2SO4
12