Ionic
Find the formula for magnesium chloride if magnesium has 2 valence electrons and chlorine has 7 valence electrons
MgCl2
Methane, bonds with the share of valence electrons carbon having 4 valence electrons and Hydrogen having 1. What is its formula
CH4
Find the mole ratio in this equation
2H2+O2->2H2O
2:1–>2
What is the oxidation number of
CO2
(+4)(-2)
What type of reaction is this?
A+B—>AB
Synthesis
Find the formula for calcium bromide if calcium has 2 valence electrons and bromine has 7 valence electrons
CaBr2
Ammonia, bonds with nitrogen (nonmetal) having 1 valence electron and nitrogen (nonmetal) having 5. What’s its formula
NH3
Which type of these reactions is NOT a chemical reaction?
Rust
Metal chipped when put in an unknown liquid
Freezing
Powder lit in flames when unknown liquid is poured
Freezing
What type of reaction is this?
AB+CD—>AC+BD
Double Replacement
What type of observation is seen in a combustion of a liquid
Flames
Bubbles
Solids Forming
Color Change
Bubbles
Find the formula for potassium chloride if potassium is a cation and chloride is an anion
KCI
Iodine monobromide, bonds with the share of the valence electrons iodine having 7 and bromine 7 as well. What’s its formula
IBr
How to balance this equation
CH4+O2->H2O+CO2
CH4+2O2->2H2O+CO2
What type of reaction is this?
AB+C—>AC+B
Single Replacement
Balance this equation
C3H8+O2->CO2+H2O
2C3H8+O2->6CO2+2H2O
What’s the name of “NaF” If Na is a cation and F an anion
Sodium Chloride
Carbon tetrafluoride, share valence electrons with carbon (nonmetal) having 4 valence electrons and fluorine (nonmetal) having 7. What’s its formula
CF4
What type of reaction is this?
CH4+O2 -> H2O+CO2
Combustion
What type of reaction is this?
AB—>A+B
Decomposition
What type of reaction is
2C3H8+O2->6CH2+2H2O
None