Unit 2 - Nomenclature Flashcards
Diatomic Elements
HOFBrINCl
Binary Compounds form
Metal cation & non mental anion
Unique Univalent Element
Ag (+1) & ZInc (2+)
Ionic Compounds are Named
Metal + gas w/-ide
Covalent Bonds Prefixes
Tetra (4), Hexa (6), Hepta (7), Octa (8), Nona (9), Deca (10)
Binary Acids
- Hydro ___ic w/aq
- Hydrogen ___ide
Isoelectronic
Same structure
Structure of Ionic Bonds
- 3D crytal lattice
- Fixed proportions of +/-
- Formula unit lowest ratio unit of ions
Properties of Ionic Bonds
- Hard/brittle
- High melting/boiling points
- Conducts electricity as liquid & in water
Structure of Covalent Bonds
- Smallest unit of molcules
- Intermolecular, molcules held together by attraction
Properties of Covalent Bonds
- Any state
- Variety hardness/malleability
- Low boiling/melting point
- Doesn’t conduct electricity
- Insoluble in water
Oxoanions
Polyatomic ions w/O
Five Main Oxoanions
- NO3(-), nitrate
- ClO3(-), chlorate
- CO3(2-), carbonate
- SO4(2-), sulfate
- PO4(3-), phosphate
Derivatives of Oxoanions RUles
- 1+ O, per___ate
- Parent, -ate
- 1- O, -ite
- 2- O, hype___ite
NH4(+)
ammonium
OH(-)
hydroxide
C2H3O2(-)
acetate
MnO4(-)
permanganate
O2(2-)
peroxide
NH3
ammonia
CH4
methane
NaHCO3
baking soda
CaO
lime
C2H5OH
ethyl alcohol
NO
nitric oxide
N2O
nitrous oxide
Oxoacids Rules
- 1+ O, per____ic acid
- Parent, -ic acid
- 1- O, -ous acid
- 2- O, hypo___ous acid
HCO3(-)
hydrogen carbonate/bicarbonate
hydrogen carbonate/bicarbonate
HCO3(-)
HSO4(-)
hydrogen sulfate/bisulfate
hydrogen sulfate/bisulfate
HSO4(-)
HPO4(2-)
monohydrogen phosphate
monohydrogen phosphate
HPO4(2-)
H2PO4(-)
dihydrogen phosphate
dihydrogen phosphate
H2PO4
Hydrates
Compounds w/definite # of H2O
Naming Hydrates
Compound name · # of hydrates w/prefix
Pure Covalent Bonds
- Attraction is equal
- EN = 0
Non-polar Covalent Bonds
- Imbalance is negligible
- EN = >0.5
Polar Covalent Bonds
- Unequal sharing
- EN = 0.5 - 1.7
Ionic Bonds
- E transferred
- EN = <1.7
Bond Character
% of ionic and covalent