Q.1
A diatomic molecule like O2 is always_______ because electrons are shared ________.
  • nonpolar; equally
  • polar; equally
  • nonpolar; unequally
  • nonpolar; unequally
Q.2
The new repulsive force(s) (ie. when atoms come together)
  • EA - EB
  • NA - NB
  • NB - EB
  • NA - EB
  • Both A & B
Q.3
The new attractive force(s) (ie. when atoms come together)
  • NA - EB
  • NB - EA
  • NA - NB
  • EA - EB
  • Both A & B
Q.4
Atoms that are sp2 hybridized form ____ pi bond(s).
  • 0
  • 1
  • 2
  • 3
  • 4
Q.5
A π (pi) bond is the result of the
  • overlap of two s orbitals
  • overlap of an s orbital and a p orbital
  • overlap of two p orbitals along their axes
  • sidewise overlap of two parallel p orbitals
  • sidewise overlap of two s orbitals
Q.6
Greater the overlap of the orbitals, _________________________
  • lesser the bond strength
  • greater the bond strength
  • bond strength remains the same
  • no bond formation
Q.7
S-s overlap is a _______
  • \sigma\ Bondσ Bond
  • π Bond\pi\ Bondπ Bond
Q.8
Px - px overlap (perpendicular to internuclear axis) is a _______
  • \sigma\ Bondσ Bond
  • π Bond\pi\ Bondπ Bond
Q.9
Choose all the old attractive force(s) (ie. when atoms are isolated)
  • NA - EA
  • NB - EB
  • NA - EB
  • NB - EA
  • Both A & B
Q.10
The electronegativity difference in the bonds of CCl4 (carbon tetrachloride) is:
  • 0.4
  • 0.5
  • 9.5
  • 5.5
Q.11
The electronegativity difference in the bonds of CH4 (methane) is:
  • 0.4
  • 5.9
  • -0.4
  • 1.7
Q.12
When you are asked to find bond polarity, compare EN values of each bonding atom to the central atom
  • true
  • false
Q.13
If Boron bonds with Hydrogen, a ____________ bond forms.
  • polar covalent
  • nonpolar covalent
  • metallic
  • ionic
Q.14
A bond with a partially negative end and a partially positive end is:
  • ionic
  • polar
  • non-polar
  • isometric
Q.15
Electronegativity is a measurement of the ability of a nucleus to...
  • attract bonding electrons
  • attract other nuclei
  • attract elenece in the non-valence energy levels
  • All of above
Q.16
In a polar covalent bond, electrons are shared ___________.
  • equally
  • unequally
  • between non-metals with similar electronegativities
  • between a metal and a non-metal
Q.17
In covalent bonds, electrons are ___________.
  • transferred
  • gained
  • lost
  • shared
Q.18
Energy released during bond formation is called
  • Bond Creation Energy
  • Disassociation Energy
  • Binding Energy of Molecules
  • Bond Enthalpy
Q.19
Which is the stronger bond?
  • \sigma\ Bondσ Bond
  • π Bond\pi\ Bondπ Bond
Q.20
Choose all possible overlaps
  • positive overlap
  • zero overlap
  • negative overlap
  • All of above
0 h : 0 m : 1 s