The atomic number (原子序数) is equal to the number of electrons per atom or, what is equivalent, the number of protons (质子) per nucleus.相关知识点: 阅读 文言文阅读 文言题类 文言文阅读——翻译 试题来源: 解析 [答案]原子序数等于每个原子的电子数或者相当于每个原子核的质子数。反馈...
since an atom cannot have a fractional number of protons. What is the difference between an atomic number and a mass number? The "atomic number" of an atom is equal to the number of protons it contains. The "mass number" or "atomic mass" of an atom is the sum of the number of ...
The atomic number of radon is 86. The atomic number is equal to the number of protons in an element. Each element has a characteristic number of...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough...
The atomic number(原子序数)is equal to the number of electrons per atom or, what is equivalent, the number of protons per nucleus(原子核).
The atomic number (原子序数) is equal to the number of electrons per atom or, what is equivalent, the number of protons (质子) per nucleus.正确答案 点击免费查看答案 试题上传试题纠错猜您对下面的试题感兴趣:点击查看更多与本题相关的试题同位素是() A. 原子序数相同,但质量数不同 B. 原子序数...
The atomic number is equal to the number of ___ in a nucleus.的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是学习的生产力工具
A. The number of protons B. The number of neutrons C. The number of electrons D. The sum of protons and neutrons 相关知识点: 试题来源: 解析 A。原子序数由质子数决定。选项 A 正确,原子序数等于质子数。选项 B 中子数不能决定原子序数。选项 C 电子数在原子呈电中性时等于质子数,但不是决定原...
Atomic Number The total number of unit positive charges present in the nucleus of an atom is known as its Atomic Number which is equal to the number of protons in the nucleus of an atom. Atomic Number for any two different atoms is never same and hence can be used to distinguish two ...
atomic number 1.Or proton number (Z) The number of protons in the nucleus of an atom. If not electrically charged, this is equal to the number of electrons in its shells. 2.The number of protons in the nucleus of an atom. Dictionary of Unfamiliar Words by Diagram Group Copyright © ...
nucleus. Accordingly, the number ofprotons, which is always equal to the number ofelectronsin the neutral atom, is also the atomic number. Anatomofironhas 26 protons in its nucleus; therefore, the atomic number of iron is 26 and its ranking on the periodic table of chemical elements is 26...