灵鹊做题网200分求一道物理题 求懂英文的高手啊
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200分求一道物理题 求懂英文的高手啊
Strontium-89 is a radioactive isotope with an atomic number of 38.
How many protons and how many neutrons are present in the nucleus of this isotope?
Number of Protons =
Number of Neutrons =
Strontium-89 is a radioactive isotope with an atomic number of 38.
How many protons and how many neutrons are present in the nucleus of this isotope?
Number of Protons =
Number of Neutrons =
题目的意思是
锶-89是放射性同位素与原子序数为38.
在这种同位素原子核中存在多少个质子和多少中子?
质子数=
中子数=
答案是 38 51
锶-89是放射性同位素与原子序数为38.
在这种同位素原子核中存在多少个质子和多少中子?
质子数=
中子数=
答案是 38 51