MTL200 EXAM Questions with Complete Solutions
Wave Mechanics
Electron position is based on probability distribution
Bohr Model
Electron positon based on discrete paths
3 Additional Bonding types
Covalent-ionic, covalent-metallic, metallic-ionic
Polymers
large compound formed from combinations of many monomers
They are covalent
Metals
Elements that are good conductors of electric current and heat.
They are metallic
Ceramics
ionic/mixed ionic-covalent
intermetallics
mixed metallic-ionic
What do proprties of solid materials depend on?
Geometrical atomic arrangement
What is the principle quantum number (n)?
, # of atomic shells in Bohr Model
What is subsidary quantum number (l)
s,p,d,f (# of subshells within main energy levels
magnetic quantum number (m sub l)
spatial orientation of the orbital
What is electronegativity?
ability of an atom to attract electrons
Electronegative elements
readily acquire electrons to become - ions
Electropositive elements
readily give up electrons to become + ions
Electronegativity increases from?
left to right, bottom to top
Atomic bonding properties depend on?
Interatomic forces that bind atoms together
Attractive forces
Repulsive forces
How are electric dipoles created? How do they interact with each other
Asymmetrical distribution of electron charge. They interact with each other by electrostatic
forces
What is a van der Waals bond?
Wave Mechanics
Electron position is based on probability distribution
Bohr Model
Electron positon based on discrete paths
3 Additional Bonding types
Covalent-ionic, covalent-metallic, metallic-ionic
Polymers
large compound formed from combinations of many monomers
They are covalent
Metals
Elements that are good conductors of electric current and heat.
They are metallic
Ceramics
ionic/mixed ionic-covalent
intermetallics
mixed metallic-ionic
What do proprties of solid materials depend on?
Geometrical atomic arrangement
What is the principle quantum number (n)?
, # of atomic shells in Bohr Model
What is subsidary quantum number (l)
s,p,d,f (# of subshells within main energy levels
magnetic quantum number (m sub l)
spatial orientation of the orbital
What is electronegativity?
ability of an atom to attract electrons
Electronegative elements
readily acquire electrons to become - ions
Electropositive elements
readily give up electrons to become + ions
Electronegativity increases from?
left to right, bottom to top
Atomic bonding properties depend on?
Interatomic forces that bind atoms together
Attractive forces
Repulsive forces
How are electric dipoles created? How do they interact with each other
Asymmetrical distribution of electron charge. They interact with each other by electrostatic
forces
What is a van der Waals bond?
