8.4 Definition
8.4 Problems
8.5 Definision
8.5 Problems
100
What is the full name of VSEPR Theory?
Valence Shell Electron Pair Repulsion Theory
100
What is the molecular geometry of KrF2?
Linear
100
What is ionic bond(Electrons are shared or transferred) ?
Electrons are transferred from one atom to another
100
What is the electronegativity difference of Phosphorus and silcicon? (Use the chart on textbook p.265, 266)
0.29
200
What is the electron domain?
Area of valence electron density around an atom.
200
What is the molecular shape of PCl3 ?
Trigonal pyramidal
200
Why nonmetal has more electronegativity?
Nonmetal has small size that attracts more electrons
200
Is Cobalt and Bromine Ionic?
No
300
What is bond angle?
Angle between two terminal atoms and central atom
300
What is the molecular shape of NO2 ?
Bent
300
Are ionic compounds soluble in polar or nonpolar substances?
Polar substances
300
What is the bond character of Silicon and Fluorine ? (mostly ionic, polar covalent, mostly covalent, non polar covalent)
Mostly ionic
400
What is hydridization?
A process in which atomic orbitals mix and form new, identical hybrid orbitals
400
What is the molecular shape of NO3 ?
Trigonal planar
400
How much electronegativity difference is considered ionic bond?
Greater than 1.70
400
How much is the covalent percent character of Cesium and Oxide?
20%
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