SO₄²⁻What is the formula for Sulfate?PO₄³¯What is the formula for Phosphate?CN¯What is the formula for Cyanide?NH₄⁺What is the formula for Ammonium?NO₂⁻What is the formula for Nitrite?SO₃²⁻What is the formula for Sulfite?PO₃³⁻What is the formula for Phosphite?- first write the positive ion, usually a metal
- write the name of the polyatomic ion secondHow do you name Ionic Compounds containing Polyatomic Ions?- first nonmetal in the formula is named by its element name
- second nonmetal is named using the first syllable of the name followed by -ide.How do you name Molecular Compounds? (two nonmetals linked by a covalent bond)monoPrefix:
1diPrefix:
2triPrefix:
3tetraPrefix:
4pentaPrefix:
5hexaPrefix:
6heptaPrefix:
7octaPrefix:
8nonaPrefix:
9decaPrefix:
10Electronegativityan atom's ability to attract the shared electrons in a chemical bond
- increases from left to right going across a period on the periodic table
- decreases going down a group on the periodic tableNonpolar Covalent BondElectronegativity difference between 0.0 and 0.4Polar Covalent BondElectronegativity difference between 0.5 and 1.8increasesA polar covalent bond becomes more polar as the difference in electronegativity ________________.DipoleWhat is the separation of charges in a polar bond called?Ionic BondElectronegativity difference greater than 1.8Nonpolar CovalentElectrons shared equallyPolar CovalentElectrons shared unequallyIonicElectrons transferredLinearThe shape with two electron groups around the central atom is ______________Trigonal PlanarThe shape with three electron groups around the central atom is _______________BentThe shape with two bonds and a lone pair on the central atom is _____________TetrahedralThe shape with four bonds on the central atom is called ___________________Trigonal PyramidalThe shape with three bonds and a lone pair on the central atom is called ___________________Dispersion forcesWeak attractions between non polar molecules2.1What is the electronegativity:
Hydrogen (H)2.5What is the electronegativity:
Carbon (C)3.0What is the electronegativity:
Nitrogen (N)3.5What is the electronegativity:
Oxygen (O)4.0What is the electronegativity:
Fluorine (F)3.0What is the electronegativity:
Chlorine (Cl)2.8What is the electronegativity:
Bromine (Br)2.5What is the electronegativity:
Iodine (I)2.0What is the electronegativity:
Boron (B)2.1What is the electronegativity:
Phosphorus (P)2.5What is the electronegativity:
Sulfur (S)2.4What is the electronegativity:
Selenium (Se)dipole-dipole attractionsIn covalent compounds, polar molecules exert intermolecular forces called _________________________.Hydrogen BondsIn covalent compounds, polar molecules form strong dipole attractions called ____________________ between hydrogen atoms bonded to F, O, or N.Dispersion Forces- weak attractions between non polar molecules
- caused by temporary dipoles that develop when molecules bump into each other
- weak but make it possible for non polar molecules to form liquids and solids
