英语懂的 来拿分 11.How many neutrons and pro tons are in an atom of phosphorus11.How many neutrons and pro tons are in an atom of phosphorus-31,atomic number 15,and determine how many electrons should be in the first,second,third,and fourth energy levels? 英语作业帮用户2017-10-10 举报...
Phosphorus 32 (P-32) is the phosphorus isotope whose nucleus consists of 15 protons and 17 neutrons. It disintegrates by emitting a β- (1.71 MeV) particle in 32S with a half-life of 14.263 days. It is anartificial radioactive substanceobtained by neutron bombardment of stable phosphorus. ...
extracellular microenvironment was formed in the biofilm, where bacteria can better decompose and dissociate mineral particles through the above-mentioned mechanisms, including protons and organic acids. In conclusion, we confirmed thatB. mucilaginosus,B. megaterium, andP. fluorescenshave a strong ability ...
Phosphorous oxyacids can have acidic protons bound to oxygen atoms and nonacidic protons that are bonded directly to the phosphorus atom. Although many oxyacids of phosphorus are formed, only six are important (see table), and three of them, hypophosphorous acid, phosphorous acid and phosphoric a...
The NMR spectrum (CDCI3) of PO is illustrated in Figure 2, exhibiting a triplet signal due to six protons of the two methyl groups of -O-CH2-CH3 at (5 1.36 ppm (J =7Hz), a double quartet signal11 due to four protons of the two methylene groups ofCH2CH3 at (5 4.20 ppm (J =...
They all have acidic protons that are bound to the oxygen atoms, some of these have non-acidic protons that are directly to phosphorus. Some of these contain phosphorus-phosphorus bonds. Although many of the oxoacids of phosphorus are formed, among them only nine are commercially important. ...
How many protons would an atom need to create a ground state electron configuration with one electron in a 5 g orbital?Consider an electron in the state n = 4, l = 3, m = 2, s = 1/2. What is the orbital angular momentum L of this electron? What is the ...
Hence, the additional phosphate anions in the tubule lumen can directly attach excess protons, forming titratable acidity and serving as a urinary buffer43. In an intervention study in healthy adult females, the administration of ammonium chloride for 7 days, resulting in chronic metabolic acidosis,...
Understanding how soil properties impact M3 extractability can improve our ability to properly use this soil test. The objectives of this study were to investigate the impact of soil pH on P extractability by M3 and water in different soils containing equal total P, and to ascertain information ...
[10]. AMF are capable of releasing protons to migrate insoluble soil phosphate and extend their extensive hyphae from phosphorus-depleted zones in order to explore a larger volume of soil for inorganic phosphorus sources [11]. Similar to AMF, phosphate solubilizing bacteria (PSB) are a group of...