Vocabulary that Matters
In a particulate model if there are 10 atoms in a tube how many are there in the second tube?
What is 10 atoms?
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
If there are water particles and they cool what state is that.
What is a solid?
The diatomic elements are written with one of these in a chemical equation.
What is a subscript?
When the number of atoms is equal on each side we say that the equation is this.
What is balanced?
When heat is produced, light is emitted, or a precipitate is formed this is evidence of this
What is a chemical reaction/change?
These are used to help balance chemical equations. (numbers on the bottom of the substance)
What are coefficients/subscripts?
This change has fizz and bubbles. What is it?
What is a chemical reaction?
The symbol (g) stands for this in a chemical equation.
What is a gas?
When the process of a substance changes. Example: solid to liquid.
What is a phase change?
In the chemical reaction, Mg + O -> MgO, the compound MgO is located on this side of the equation.
What is the product side?
Balance the following chemical equation. You must show all work and simplify your answer. Fe + O2 --> Fe2O3
4 Fe + 3O2 --> 2Fe2O3
A substance dissolves in water. What happens? Must describe in complete sentences
The particles mix in with each other.
CsF is an example of this
What is a compound?
Can be used to describe either an element or a compound
What is a substance?
How many hydrogen atoms are in the reactants?
2H2O+ CH -> H2O CH2O
What is a 5 H atoms?
Balance the following equation. You must show all work and simplify your answer! Li + Br2 --> LiBr
2Li + Br2 --> 2LiBr
How can you filter salt from a salt water solution?
What is evaporation?
This reaction could be classified in this way 2Na + 2H2O --> 2NaOH + H2
What is a single replacement reaction?
This term refers to a scientific law stating that no matter is created or destroyed during a reaction
What is an conservation of matter?
These 3 things are essential in writing a chemical equation.
What are reactants, an arrow, and products?
Balance the following equation. You must show all work and simplify your answer! C6H6 + O2 --> CO2 + H2O
2C6H6 + 15O2 --> 12CO2 + 6H2O
What is melting point?
What is the temperature at which a solid changes to a liquid; different for each substance.