Chemical Equations
Where the reactants are located in a chemical equation
to the left of the arrow
type of reaction that joins 2 elements together
synthesis
The following equation is balanced LiCl → Li + Cl2 (true or false)
False
What is the term for two or more elements joined together chemically?
a Compound
Where does the first dot go when creating a Lewis Dot Structure
on the right side of the element symbol
Where the products are located in a chemical equation
to the right of the arrow
The chemical reaction: 2 H₂O → 2 H₂ + O₂ is a:
Decomposition reaction
What type of reaction is this?
Cl2 + NaBr --> NaCl + Br2
Single replacement
A chemical Reaction that absorbs energy or feels cold is called a(n) ____________ _______________
Endothermic Reaction
A covalent bond is between
two nonmetals
Most of the periodic table is made of___________.
Metals
What are the types of chemical reactions?
Synthesis, Decomposition, Single replacement, Double replacement, and combustion
Is the following equation balanced?
Fe + 3H2(SO4) → Fe(SO4)3 + 3H2
Yes
A chemical reaction that gives off energy
Exothermic Reaction
What does the Lewis Dot Structure tell you
Chemical reactions happen when chemicals form _________ substances.
New
Double Points!!
The chemical reaction between iron and water vapor in the air results in?
Rust
Why do we balance chemical equations?
To make equal numbers of atoms on each side
Photosynthesis would classify as this type of reaction, in terms of energy
Endothermic
Ionic bonds are between
a metal and a nonmetal
Balance this equation.
____ Na3P + ____ CaF2 --> ____ NaF + ____ Ca3P2
2Na3 + 3CaF2 --> 6NaF + Ca3P2
type of reaction that produces one compound and one element
Single Replacement
Balance the following equation:
_____NaF + ______Br2 -->______NaBr + ______F2
2NaF + Br2 --> 2NaBr + F2
What are the two products of a combustion reaction
H2O and CO2
What type of bond does this compound have
CH4
covalent