Grade 10 IB science Chemistry Study Notes
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The three types of compunds are...
Ionic compounds form when...
Positively charged metals are attracted to negatively charged non-metals
The rule for naming ionic compounds is...
Metal first, then non-metal. Change ending of non-metal to "ide"
When the overall charge of a compound is neutral...
The charges of each component must equal 0
Polyatomic compounds are...
Compounds made up of 3 different atoms
Something important to remember when writing the chemical formula of polyatomic compounds is...
Some examples of polyatomic compounds are...
NH4(NO3) = Ammonium Nitrate
Ternary compounds usually have the ending have the ending...
Some examples of polyatomic ions are...
(OH)- = hydroxide
(NO3)- = nitrate
(NH4)+ = ammonium
Non-Metals may form compounds with other non-metals. In this case, the electrons are...
When a bond is created between two non-metals sharing electrons, the compound is called...
A molecular compound
In a molecular compound, each atom is satisfied if...
All it's electrons are paired through sharing
The prefixes for molecular compound nomenclature are...
Chemical Reactions occur when...
atoms in reactions are rearranged to form new compounds called products
The 3 types of reaction equations are...
- Word equations
- Skeleton equations
- Balanced equations
An example of a word equation is...
An example of a skeleton equation is...
An example of a balanced equation is...
Some hints for balancing are...
- Start with the atom that has the biggest subscript
- balance elements that are by themselves last
- Do not change subscripts
The 5 types of chemical reactions are...
- Single Displacement
- Double Displacement
Synthesis reactions are when...
2 or more reactants combine to form a new product
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