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For example, NO 2 − is a strong-field ligand and produces a large Δ. The octahedral ion [Fe(NO 2 ) 6 ] 3− , which has 5 d -electrons, would have the octahedral splitting diagram shown at right with all five electrons in the t 2 g level.
Ionic apps run with a mixture of native code and web code, providing full access to native functionality if necessary, with the bulk of the UI of the app built with standard web technology. Ionic utilizes native hardware acceleration features available in the browser (such as CSS animations) and optimizes rendering (avoiding expensive DOM ...
The energy released/absorbed by phase transition from solid to liquid, or vice versa, the heat of fusion is generally much higher than the sensible heat. Ice, for example, requires 333.55 J/g to melt, but then water will rise one degree further with the addition of just 4.18 J/g.
salt-like (ionic), covalent compounds, interstitial compounds, and "intermediate" transition metal carbides. Examples include calcium carbide (CaC 2), silicon carbide (SiC), tungsten carbide (WC; often called, simply, carbide when referring to machine tooling), and cementite (Fe 3 C), [2] each used in key industrial applications. The naming of ...
A mnemonic is a memory aid used to improve long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics.
For example, when hanging from a pull-up bar for as long as possible, maintaining a firm grip during a deadlift, or trying to carry all your heavy grocery bags from your car in one trip.
Compounds that obey the 18-electron rule are typically "exchange inert". Examples include [Co(NH 3) 6]Cl 3, Mo(CO) 6, and [Fe(CN) 6] 4−.In such cases, in general ligand exchange occurs via dissociative substitution mechanisms, wherein the rate of reaction is determined by the rate of dissociation of a ligand.
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