Ionic, covalent, and metallic bonding, VSEPR theory, and molecular polarity concepts tested on the MCAT.
35 cards · basic cards · AI-written, checked twice. Edit anything.
- What type of bond forms when electrons are transferred from one atom to another?
- An ionic bond
- What type of bond forms when atoms share electron pairs?
- A covalent bond
- What type of bonding is characterized by a "sea of delocalized electrons" shared among many atoms?
- Metallic bonding
- What property describes an atom's ability to attract electrons in a chemical bond?
- Electronegativity
- What is a nonpolar covalent bond?
- A covalent bond in which electrons are shared roughly equally between atoms of similar electronegativity
- What is a polar covalent bond?
- A covalent bond in which electrons are shared unequally due to a difference in electronegativity between atoms
- What theory predicts molecular geometry based on minimizing repulsion between electron pairs around a central atom?
- Valence shell electron pair repulsion (VSEPR) theory
- What molecular geometry results from a central atom with four bonding pairs and no lone pairs?
- Tetrahedral
- What molecular geometry results from a central atom with three bonding pairs and one lone pair?
- Trigonal pyramidal
- What molecular geometry results from a central atom with two bonding pairs and two lone pairs?
- Bent (angular)
- What molecular geometry results from a central atom with three bonding pairs and no lone pairs?
- Trigonal planar
- What molecular geometry results from a central atom with two bonding pairs and no lone pairs?
- Linear
- What is the approximate bond angle in a tetrahedral molecule?
- 109.5 degrees
- What is the approximate bond angle in a trigonal planar molecule?
- 120 degrees
- What is the bond angle in a linear molecule?
- 180 degrees
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