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. ...
How many protons are in S2 -? For 32S2− , there are16 protons, 18 electrons, and 16 neutrons. What has 12 protons and 12 neutrons? The most common and stable type ofmagnesium atomfound in nature has 12 protons, 12 neutrons, and 12 electrons (which have a negative charge). What i...
The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements. The chemical elements are arranged from left to right and top to bottom in order of increasing atomic number, or the number of protons in anatom's nucleus, which ge...
In cells, creatine combines first with a free phosphorus ion, and then - under the effect of the enzyme creatine kinase - this phosphorus ion combines with a molecule of ADP to form a new ATP molecule. Effectively, therefore, creatine enables ATP to be renewed, hence its ab...
If the atomic number of an element is 12 and the atomic mass is 25: a. How many protons are there in the nucleus? b. How many neutrons are there in the nucleus? c. How many electrons are in the atom? A certain atom has an a...
Mycorrhizal strategies are very effective in enhancing plant acquisition of poorly-mobile nutrients, particularly phosphorus (P) from infertile soil. However, on very old and severely P-impoverished soils, a carboxylate-releasing and P-mobilising cluster-root strategy is more effective at acquiring this...
The GMF, like any other magnetic field, is able to influence, not only ferromagnetic materials like iron, or nickel, but also paramagnets like oxygen, sodium, and diamagnets like zinc, magnesium, copper, phosphorus, water, DNA, many proteins, and even water molecules (Janicki2008), which ...
Generally, Polish soils are characterized by a very low SOC content. The results of soil chemistry monitoring [18] showed that, in Poland, the average carbon content in soils has remained at a constant level of approximately 1.12% for many years. ...