Ch. 2 Structure & Interatomic Bonding Flashcards
1
Q
Metals
A
form cations in Ionic, low electronegativity
2
Q
Non-Metals
A
many valence electrons, form anions, high electronegativity
3
Q
Atomic number
A
Protons + electrons
4
Q
Atomic mass
A
Protons + neutrons
5
Q
Bond forces
A
= 0
6
Q
Bond energy
A
is the minimum
7
Q
Primary bonds
A
Ionic, Covalent, Metallic
8
Q
Secondary Bonds
A
Physical, Hydrogen
9
Q
Attractive Energy
A
-A/r
10
Q
Repulsive Energy
A
B/r^n
11
Q
Covalent bonds
A
Nonmetals (sometimes metals)
12
Q
Metallic bondings
A
Ion cores, valence sea
13
Q
Secondary Bonding
A
Van der Waals, low energy,
14
Q
Dipole based bonds
A
Fluctuating induced dipole bond, permanent dipole bond
15
Q
Ionic character formula
A
(1-e^(-0.25(Xa-Xb)^2))*100
16
Q
Melting temperature formula
A
Tm=kE0
17
Q
Elastic Modulus formula
A
F/A0 = E(deltaL/L0)
18
Q
Elastic modulus to bonding energy relationship
A
E=kE0
19
Q
Thermal Expansion formula
A
deltaL/L0 = a(T2-T1)
