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...
What is the number of neutrons in phosphorus? How many protons does uranium 238 have? How many protons does cesium have? How many protons are in a radium-226 nuclide? How many protons (p) and neutrons (n) are in an atom of barium-130?
How many protons are in uranium? Uranium is a silvery-white metallic chemical element in the periodic table, with atomic number 92. It is assigned the chemical symbol U. A uranium atom has92 protonsand 92 electrons, of which 6 are valence electrons. How many electrons does s 36 have? Mai...
A neutral atom is one that has an equal number of protons and electrons. The positive charge of the protons and the negative charge of the electrons will cancel each other out. In the case of argon, it has 18 protons and thus will be neutral if it has 18 electrons in total betwe...
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. ...
example,carbon atomsalways have six protons;hydrogen atomsalways have one; andoxygen atomsalways have eight. Different versions of the same element, called isotopes, can have a different number of neutrons. Elements can also gain or lose electrons to become charged, in which case they are called...
All elements are arranged in the periodic table by their atomic number -- the number of protons in their nucleus. Aluminum's lucky number is 13, so an aluminum atom has 13 protons. It also has 13 electrons. The elements located above and below aluminum on the periodic table form a ...
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...
its valence electrons take over the bonding responsibilities of the four silicon valence electrons that they replaced. But the fifth valence electron remains free, without bonding responsibilities. When numerous phosphorus atoms are substituted for silicon in a crystal, many free electrons become ...
What are the divalent elements? The divalent elements,calcium, magnesium, phosphorus, as well as iron, zinc, and copperwere determined in clinical chemistry analyzer. What is monovalent in science? monovalent. (Science: chemistry)Having a valence of one; univalent. See Univalent. ...