REVIEW FORTEST NAMING COMPOUNDS WRITING FORMULAS EMPIRICAL FORMULA COEFFICIENTS REVIEW FROM PREVIOUS...
8
REVIEW FORTEST REVIEW FORTEST NAMING COMPOUNDS WRITING FORMULAS EMPIRICAL FORMULA COEFFICIENTS REVIEW FROM PREVIOUS CHAPTERS
-
Upload
eunice-little -
Category
Documents
-
view
212 -
download
0
Transcript of REVIEW FORTEST NAMING COMPOUNDS WRITING FORMULAS EMPIRICAL FORMULA COEFFICIENTS REVIEW FROM PREVIOUS...
REVIEW FORTESTREVIEW FORTEST
NAMING COMPOUNDSWRITING FORMULASEMPIRICAL FORMULA
COEFFICIENTSREVIEW FROM PREVIOUS CHAPTERS
Naming Compounds
ionic covalent organic
cation (?) anion ?element ?ele(ment)ide ?ane, ?ene, ?yne, ?ol,…
Use Roman Numeralif more than one possible
charge.
prefixes are used to specify how many of each
type of element
Use prefixes totell how many carbonsending tells what typeof compound we have.
ex: sodium chlorideiron (III) oxide
ex: carbon dioxide Methane
What are the types of namingWhat are the types of namingsystems we have talked about?systems we have talked about?
Naming Compounds
ionic covalent organic
cation (?) anion ?element ?ele(ment)ide ?ane, ?ene, ?yne, ?ol,…
Use Roman Numeralif more than one possible
charge.
prefixes are used to specify how many of each
type of element
Use prefixes totell how many carbonsending tells what typeof compound we have.
ex: sodium chlorideiron (III) oxide
ex: carbon dioxide Methane
What are the types of namingWhat are the types of namingsystems we have talked about?systems we have talked about?
Compounds are ionic if:a) they consist of ionsb) they have a metal as the first element.
Example:a) NaCl consists of Na+ and Cl1-
b) NH4Br consists of NH4+ and Br1-
Naming Compounds
ionic covalent organic
cation (?) anion ?element ?ele(ment)ide ?ane, ?ene, ?yne, ?ol,…
Use Roman Numeralif more than one possible
charge.
prefixes are used to specify how many of each
type of element
Use prefixes totell how many carbonsending tells what typeof compound we have.
ex: sodium chlorideiron (III) oxide
ex: carbon dioxide Methane
What are the types of namingWhat are the types of namingsystems we have talked about?systems we have talked about?
Compounds are covalent if:1. both elements are nonmetals
Examples1. CO carbon monoxide2. N2O dinitrogen monoxide3. N2O4 dinitrogen tetroxide
Naming Compounds
ionic covalent organic
cation (?) anion ?element ?ele(ment)ide ?ane, ?ene, ?yne, ?ol,…
Use Roman Numeralif more than one possible
charge.
prefixes are used to specify how many of each
type of element
Use prefixes totell how many carbonsending tells what typeof compound we have.
ex: sodium chlorideiron (III) oxide
ex: carbon dioxide Methane
What are the types of namingWhat are the types of namingsystems we have talked about?systems we have talked about?Compounds are organic if:
1. carbon and hydrogen are the main elements
Examples1. CH4 methane2. C2H4 ethene3. C2H4OH ethanol
What are the parts of a chemical What are the parts of a chemical formula?formula?
Compounds
ions (orelements
sharing electrons)
Elements
Ionic compoundsare made of ions held together byelectrostatic interactions.
Covalent compoundsare made of atoms that share electrons.
Ions are formed whenelements gain or lose electrons, to obtain a charge.
Electrons fill uplowest energy orbitals first, andseek to maintainthe lowest possibleenergy state.
1s22s2….
The charge on anion = the number ofelectrons it has gainedor lost. The charge = the oxidation state.
What are the parts of a chemical What are the parts of a chemical formula?formula?
Compounds
ions (orelements
sharing electrons)
Elements
PO43-Cu2+3 2
( )For copper (II)phosphate, youneed 3 copper (II)ions and 2 phosphateions.
Copper (II) phosphatehas 3 copper atoms,2 phosphorous atomsand 8 oxygen atoms
VocabularyVocabulary
• Binary• compound• covalent• element• ionic• metal• metalloid• nonmetal
• organic• alkanes• alkenes• alkynes• functional group
• molecule• coefficient• formula unit• oxidation
number• isotope• electron
configuration
