Section 1 : Types of Chemical reactions and counting atoms
A compound containing carbon and hydrogen which combines with oxygen gas to produce carbon dioxide and water
What is combustion?
An atom or molecule with a net electric charge due to the loss or gain of one or more electrons
What is an ion?
The elements that form covalent bonds
What are nonmetals and metals
What is a tool used in displacement reactions
What elements always obey the octet rule
What are the elements of the second period on the periodic table that always obey the octet rule
AB + CD ---------- AD + BC
What is the general formula for Double Replacement?
How to name ionic compounds
What is identifying and naming the cation, then changing the suffix to ide or the polyatomic anion name
For every electron, there needs to be a pair
What is knowing how mand bonds an element can form?
The ability for a compound or substance to dissolve completley in a solvent
What is the definition of soluble?
What is the equation for calcium fluoride
What is CaF2?
What happens to electrons in an ionic bond?
What is the metal loses electrons to become a positively charged cation, then the nonmetal accepts those electrons to become a negatively charged anion
composed of two electrons that are in a bond
What is the definition of a bond pair?
An insoluble solid from a solution. Forms when two soluble salts react in a solution to form products
What is a precipitate?
Do nonmetals gain or lose electrons?
What is gaining electrons?
Zn + HCl ----------....................
What is the balanced equation? ZnCl2 + H2
Anion
What is an ion with a negative charge?
composed of two electrons that are not in a bond.
What is the definition of a lone bond
A chart with a list of ions, mixed with other ion, which can become precipitates or remain aqueous
What is a solubility chart?
Do metals lose or gain electrons?
What is losing electrons
The positive and negative ions in two compounds switch plates
What is double replacement?
cation
What is an ion with a positive charge?
An atom needs 8 valence electrons to be stable
What is the octet rule
If the metal or the halogen is above the element it will replace based on the activity series
What is determining if a single replacement reaction will occur using the activist series?
Where are the valence electrons located in an atom?
What is the outermost shell of an atom?