【答案】：Protons:94, from the periodic table. Electrons : 94, since the atom is uncharged. Neutrons:239-94=145
What are protons, electrons, and neutrons? If the charge on the atom is 0, what does this mean? How many electrons would it take to equal the mass of a proton? What is the charge on the barium ion? What is the number of protons in hydrogen?
百度试题 结果1 题目What are the numbers of protons,electrons,and neutrons in239Pu?相关知识点: 试题来源: 解析 Protons:94, from the periodic table. Electrons : 94, since the atom is uncharged. Neutrons:239-94=145 反馈 收藏
Protons and Neutrons: What Are They?Jean Louis Van Belle
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