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 en
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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 en
英语懂的 来拿分 11.How many neutrons and pro tons are in an atom of phosphorus
11.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 en
原子序数15的磷31原子中,质子数和中子数是多少?并确定核外电子分布中,第一、第二、第三和第四能量层上各有多少个电子?
在一个磷31原子中有多少中子与质子,原子序数15的原子,在第一、二、三、四能级各有多少电子? 答案同上
磷（31 15 P）中有多少质子和中子？测定一下第一、第二、第三和第四能级中应该有多少电子？
多少个中子和亲吨的磷原子是31，原子序数15，并确定有多少电子应在第一，第二，第三和第四能级？