Fe has been doped into many systems to adsorb and activate nitrogen, and low-valence Fe was proposed to surpass the high-valence Fe in serving as an active site for the nitrogen reduction reaction. However, it is still unclear which properties and how the properties are affected by the ...
Classify the following substances as diamagnetic or paramagnetic based on their magnetic properties. o) A substance that has paired electrons. Classify the species as either metal or nonmetal Na. Classify fluorine as an alkali metal, an alkaline earth metal, a halogen, or a noble gas. ...
Compared with other chalcogenides (such as O and S), Se has a lower electronegativity and larger ionic radius. For cobalt, the outermost orbital electrons are less attractive to selenide; instead, weakly bound electrons are prone to redox reactions. However, the provision of electroactive sites ca...
run on massively parallel many-core CPU and hybrid CPU-GPU architectures (tested up to ~200,000 cores on many-core CPUs and ~24,000 GPUs on hybrid CPU-GPU architectures). DFT-FE is capable of fast and accurate large-scale pseudopotential DFT calculations, reaching 50,000-100,000 electrons...
Mic1c10 required direct contact to Fe0 to uptake electrons, and showed insignificant enzymatic activity by cell filtrate, thus challenging the view that free enzymes primarily drive corrosion by Methanococcus. We identified corrosion-specific gene islands, containing genes for [NiFe]-hydrogenases, cohesi...
Like the (0\(\bar{1}\)5) surface, the Fe-O-Fe dimer on the (001) surface has roughly half the \({\eta }_{{{\rm{th}}}\) compared to the isolated Fe-O. The oxidation-state changes are similar as well with both Fe3+ cations in the Fe-O-Fe dimer oxidized to Fe4+ during...
Electronic configuration of Fe 26 (3d^6" "4s^2) In Fe^(3+), there are unpaired The electronic configuration of Zn. (30) = 3d^(10)" "4s^2. In Zn^(2+), there are no unpaired electrons.
"This layer is hugely important because the effect of a voltage on the metal overtop of the oxide of the transistor acts to change how many electrons are within the channel region under the oxide; this region controls the resistance of the device from source to drain," Ashton said. "The ...
Question: How many inner, outer, and valence electrons are present in an atom of iron (Fe)? (a) 18, 2, 6 (b) 20, 8, 8 (c) 20, 2, 8 (d) 18, 6,2 (e) 18, 2,8 Iron: Iron is a very crucial mineral that is required by...
Single-atom Fe-N-C catalysts has attracted widespread attentions in the oxygen reduction reaction (ORR). However, the origin of ORR activity on Fe-N-C catalysts is still unclear, which hinder the further improvement of Fe-N-C catalysts. Herein, we provide a model to understand the ORR acti...