Unit 9 chemistry: chemical reactions Flashcards
Which side of the equation are reactants on?
Left
Which side of the equation are products on?
Right
What is the arrow in the chemical equation called?
Yield
Diatomic elements:
Have the subscript “2”
Monatomic elements:
Just right the symbol
Ionic compound:
Balance charges
Molecular compound:
Prefixes for subscripts
What is a chemical reaction?
Describes a chemical change
Reactant:
The chemical(s) you start with before the reaction.
Products:
The new chemical(s) formed by the reaction.
Subscript:
Shows how many atoms of an element are in a molecule.
Coefficient:
Shows how many molecules there are in a particular chemical.
Law of Conservation of Mass:
In a chemical reaction, matter is neither created nor destroyed.
Synthesis:
Two elements combine to form a compound.
Decomposition:
A compound that breaks down into elements and/or smaller compounds.
Metal chlorate
Metal chlorate —– metal chloride + oxygen
Metal carbonate
Metal carbonate —– metal oxide + carbon dioxide
Metal hydroxide
Metal hydroxide —– metal oxide + water
Metal oxide
Metal oxide —– metal + oxygen
Single replacement:
An element and compound react to form a different element and compound.
Double replacement:
Two compounds react to from two new compounds.
Neutralization reaction:
A reaction between an acid and a base.
Combustion:
A reaction with oxygen.
