Contrast the following terms and give one example for each
1. Intramolecular forces and intermolecular forces
2. Electronegativity and electron affinity
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Intermolecular Forces : Forces of interaction between molecules and particles.
Ex: Intermolecular forces of attraction between two H2O molecules or any other.
=> Intetmolecular Forces of attraction are much weaker than Intramolecular forces if attraction.
=>It determines physical properties of compounds.
Intramolecular Forces of interaction :
Forces that hold atoms within a molecule.
Ex: Ionic Bond between Sodium and Chloride in Sodium Chloride.
Covalent Bond between Hydrogen and Oxygen in H2O.
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Electronnegativity :
The Tendency of an element to attract the shared pair of electrons in comment bond towards itself is known as electronegativity.
Ex:Electronegativity of Oxygen is more than Carbon.
Electron Affinity :
The amount of energy liberated when an isolated gaseous atom receives an extra electron in its outermost shell.
Ex : Chlorine has highest electron gain enthalpy in halogens.
Intermolecular Forces : Forces of interaction between molecules and particles.
Ex: Intermolecular forces of attraction between two H2O molecules or any other.
=> Intetmolecular Forces of attraction are much weaker than Intramolecular forces if attraction.
=>It determines physical properties of compounds.
Intramolecular Forces of interaction :
Forces that hold atoms within a molecule.
Ex: Ionic Bond between Sodium and Chloride in Sodium Chloride.
Covalent Bond between Hydrogen and Oxygen in H2O.
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Electronnegativity :
The Tendency of an element to attract the shared pair of electrons in comment bond towards itself is known as electronegativity.
Ex:Electronegativity of Oxygen is more than Carbon.
Electron Affinity :
The amount of energy liberated when an isolated gaseous atom receives an extra electron in its outermost shell.
Ex : Chlorine has highest electron gain enthalpy in halogens.
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Intermolecular forces - Forces of attraction between molecules
Intramolecular forces - Forces of attractionwithin a molecule
Example of intermolecular force would hydrogen bonding between water molecules, while that of intramolecular forces could be covalent bonds between hydrogen and oxygen atom in a water molecule.
Electronegativity - Tendency of an atom to attract the shared pair of electrons towards itself.
Electron affinity - Electron affinity is the amount of energy released or spent when an electron is added to a neutral atom or molecule in the gaseous state.
Example of electronegativity would be fluorine, the most electronegative element. Example of electron affinity would be Chlorine, which has an electron affinity of -349 kJ/mol (- sign means that energy is released).
Intramolecular forces - Forces of attractionwithin a molecule
Example of intermolecular force would hydrogen bonding between water molecules, while that of intramolecular forces could be covalent bonds between hydrogen and oxygen atom in a water molecule.
Electronegativity - Tendency of an atom to attract the shared pair of electrons towards itself.
Electron affinity - Electron affinity is the amount of energy released or spent when an electron is added to a neutral atom or molecule in the gaseous state.
Example of electronegativity would be fluorine, the most electronegative element. Example of electron affinity would be Chlorine, which has an electron affinity of -349 kJ/mol (- sign means that energy is released).
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