Numerical Prefixes
four
Tetra-
Electrons are _____ in an ionic bond.
TRANSFERRED
Electrons are ____ in a covalent bond.
SHARED
____ are never changed when balancing a chemical equation.
Subscripts
What is the opposite reaction of the synthesis reaction?
Decomposition.
five
Penta-
Ionic compounds are formed between ___ and ____.
Metals and non-metals.
The amount of a substance can only be changed by adding ____.
Coefficients
What reaction starts with a compound and results in two elements?
Decomposition
six
Hexa-
Two types of namings for ionic compounds?
Monatomic - Only one kind of atom in a compound.
Polyatomic - more than one kind of atom in a compound.
_____ are used to represent the number of atoms in covalent naming.
Numerical prefixes.
Define Coefficient
Numbers written in front of a chemical formula. They indicate the amount of the reactants and products, so you can see the ratio between them in a balanced equation.
What occurs in a single displacement reaction?
A single replacement reaction is a chemical reaction where one element replaces another in a compound. It is also known as a single displacement reaction.
seven
hepta-
The _____ ion is always listed first.
Positive
Name the Antonym used to remember diatomic molecules.
Br, I, N, Cl, H, O, F.
(BrINClHOF)
All elements/compounds on the left side of the chemical equation are _____.
Reactants
What happens to the two pairs of compounds in a double displacement reaction?
The two pairs of compounds switch partners.
Type of bond used in numerical prefixes
Covalent bonds.
When are parentheses used in naming an ionic compound?
When there is more than one kind of polyatomic ion.
Covalent compounds include only _____ elements.
Non-metallic
All elements/compounds on the right side of the chemical equation are _______.
Products
What three reactants and two products does a chemical equation have to have to be classified as a combustion reaction?
Reactants: Hydrocarbon + 02
Products: CO2 + H2O