More Covalent Bond Types and Shapes of Covalent Molecules (Leaving Cert Chemistry): Flashcards
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How sigma () bonds form
How sigma () bonds form
Head-on overlap of atomic orbitals
How pi () bonds form
How pi () bonds form
Sideways overlap of atomic orbitals
Composition of a double bond
Composition of a double bond
One sigma bond and one pi bond
Composition of a triple bond
Composition of a triple bond
One sigma bond and two pi bonds
Stronger bond type: sigma or pi
Stronger bond type: sigma or pi
Sigma bonds
Which bond forms first in multiple bonds
Which bond forms first in multiple bonds
Sigma bond
Can pi bonds exist without sigma bonds
Can pi bonds exist without sigma bonds
No, cannot exist without sigma bond first
Purpose of VSEPR theory
Purpose of VSEPR theory
Predict molecular shapes from electron pair repulsion
Bond angle in linear geometry
Bond angle in linear geometry
Bond angle in trigonal planar geometry
Bond angle in trigonal planar geometry
Bond angle in tetrahedral geometry
Bond angle in tetrahedral geometry
Effect of lone pairs on bond angles
Effect of lone pairs on bond angles
Decrease angles; lone pairs repel more strongly
Shape & bond angle of ammonia ()
Shape & bond angle of ammonia ()
Pyramidal, ~
Shape & bond angle of water ()
Shape & bond angle of water ()
V-shaped/bent, ~