electron articles
What constitutes an electron domain in the VSEPR model?
For the purpose of determining initial geometry, how is a triple bond counted regarding electron domains?
What is the order of repulsion strength between electron domains, from greatest to least?
Why do lone pairs exert stronger repulsion than bonding pairs?
What molecular geometry results when a molecule has a tetrahedral electron geometry with two bonding pairs and two lone pairs ($ ext{AX}_2 ext{E}_2$)?
What is the electron geometry when a molecule has five total electron domains?
What molecular geometry is characteristic of a molecule with five domains where one domain is a lone pair ($ ext{AX}_4 ext{E}$)?
In an Octahedral electron geometry (6 domains), what shape is formed if there are two lone pairs ($ ext{AX}_4 ext{E}_2$)?
What is the approximate bond angle found in water ($ ext{H}_2 ext{O}$), which has two lone pairs on the central oxygen atom?
Which factor causes the slight deviation of bond angles from the idealized VSEPR angles in real molecules like chloromethane?
What is the typical speed of free electrons in a metal conductor when no net current is flowing?
What is the primary governor that initiates and sustains the directed flow of electrons in a conductor?
What scale characterizes the average drift velocity ($\mathbf{v}_d$) of electrons in a common household wire?
What characterizes the valence electrons in solid metals that enables them to be electrical conductors?
Relative to the direction of the electric field lines, in which direction is the net force exerted on an electron?
What is the speed associated with the propagation of the electrical signal or electromagnetic field along a wire?
What is the consequence when an electron accelerates under an electric field and subsequently collides with a positive ion core?
Why does turning on a light switch result in nearly instantaneous illumination?
What defines the mobility ($\mu$) of electrons in a conductor?
When designing high-speed electronics, what aspect is considered more critical than the electron's slow crawl speed?
What fundamental physical limitation do electron microscopes bypass that constrains traditional light microscopes?
What is the direct physical reason for the superior resolving power of an electron microscope compared to a light microscope?
What is the typical maximum magnification limit for conventional light microscopes?
What specific cellular components can electron microscopes visualize in extraordinary detail?
What preparation step is typically necessary for biological samples in most electron microscopy, limiting observation of living processes?
What is the primary function and resulting image characteristic of Scanning Electron Microscopy (SEM)?
How is an image generated using Transmission Electron Microscopy (TEM)?
In a TEM image, what causes specific areas of the sample cross-section to appear darker?
Beyond biology, what structural element relevant to physical properties can electron microscopy reveal in materials science?