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WorksheetsReview Kinetic Molecular Model of Liquids and Solids
Total questions: 30
Worksheet time: 21mins
Which of these will flow and fill up any shape of container?
solid
liquid
gas
plasma
How do gases move?
Vibration in place
Random, medium speed, limited distances
Random, fast, cover large distances
Which of these is true?
Solids hold their shape.
Liquids hold their shape.
Gases hold their shape.
Solids can be squashed or forced into a smaller space
True
False
It explains the very high melting and boiling point of water
Strong dipole-dipole bonds between water molecules
Dispersion forces which are present in all molecules
Strong hydrogen bonds between water molecules
are present in all molecules Asymmetrical shape of the polar bonds.
Hydrogen bonding occurs when hydrogen is bonded to N, O, or F. Which of the following has hydrogen bonding?
CBr4
H2S
NO2
NH3
Does HCl have hydrogen bonding?
yes
no
Which is the second strongest intermolecular force, after hydrogen bonding?
ion - dipole
dipole - dipole
Hydrogen bonding
dispersion forces
All molecules have London forces between them, but dipole-dipole and hydrogen bonding are so much stronger that when they are present we can ignore London forces. Which of these has ONLY London forces?
I2
OCl2
NH3
SH2
Which substance would have the weakest intermolecular forces of attraction?
MgF2
NaCl
CH4
H2O
________________________ have the strongest intermolecular forces of attraction.
Ion - dipole
Dipole - dipole
London dispersion
Hydrogen bonding
Intermolecular forces for: NH3
ion - dipole
hydrogen bonding
dipole - dipole
London dipersion
Intermolecular forces for: CO2
ion - dipole
hydrogen bonding
dipole - dipole
London dispersion
The term Van der Waals Forces is named after the Dutch scientist Johannes Diderik van der Waals.
Trot
Charot
Ion – dipole interaction occurs between ion and polar molecule.
Trot
Charot
Since water is a universal solvent, it has the ability to dissolve everything.
Trot
Charot
_____________ are the attractive forces between neighboring particles (including molecules, atoms, and ions)
Intermolecular forces
Intramolecular forces
____________ is an interaction between polar and non polar molecules
Dipole - dipole
Ion - dipole
Dipole - Induced dipole
Ion - Induced dipole
Hydrogen bonding is weaker than dipole-dipole forces and dispersion forces
Trot
Charot
__________________ is the amount of energy needed to conquer the force between molecules at the liquid's surface for it to be stretched.
viscosity
surface tension
vapor pressure
boiling point
Elements composed of cations and anions
dipole
ions
compounds
Give the four types of crystalline solids
Each water molecule is held to four neighboring molecules by hydrogen bonds to form a __________________ arrangement.
Bent
Trigonal planar
Linear
Tetrahedral
Crystalline solids contain particles that are arranged and organized in a specific location.
Trot
Charot
____________________ It is defined as the resistance
of a liquid to flow.
Surface tension
Boiling point
Viscosity
Vapor pressure
Substances with relatively strong intermolecular forces will have low vapor pressure
Trot
Charot
Liquid with high vapor pressure evaporates slowly and is non volatile
Trot
Charot
The particle in amorphous solids are put together in random and they form in a short span of time
Trot
Charot
The _____________ of a liquid is the temperature at which its vapor pressure is equal to the external atmospheric pressure.
surface point
molar heat of vaporization
boiling point
vapor pressure
Give the six phase changes of matter
