What element has an atomic number that is one greater than platinum? What is the atomic number of the element located in group 16, period 2 of the periodic table? What is the atomic number of the element fluorine? How do you figure out the atomic number of an element? What are element...
百度试题 结果1 题目What is the atomic number of an element?ps:Please answered in English 相关知识点: 试题来源: 解析 最佳答案译文,什么是元素的原子序数?It is the number of an element in thePeriodic table of the elements.反馈 收藏
The chemical element with atomic number 20 is calcium. What is the abbreviation for calcium? A. Ca B. Cy C. Cg D. Ch 相关知识点: 试题来源: 解析 A。钙元素的英文是 calcium,其缩写形式是 Ca。选项 B“Cy”不是钙元素的缩写;选项 C“Cg”一般不是任何化学元素的缩写;选项 D“Ch”一般不是...
An atom has an atomic number of 12 and a mass number of 25. how many neutrons does the atom have? How can you find atomic number from mass number? Which of among the atomic number, mass number and isotopes distinguishes one element from one another? Explain your answer. ...
What happens inside the nucleus that causes the emission of beta particle ? View Solution The element with atomic number 84 and mass number 218 change to other element with atomic number 84 and mass number 214. The number ofαandβ-particles emitted are respectively: ...
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The chemical element with atomic number 15 is phosphorus. What is the abbreviation for phosphorus? A. P B. Ph C. Po D. Py 相关知识点: 试题来源: 解析 A。磷元素的英文是 phosphorus,其缩写形式是 P。选项 B“Ph”一般不是磷元素的缩写;选项 C“Po”是钋元素的缩写;选项 D“Py”不是磷元素...
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...
The element bismuth was first isolated as a unique element in 1753 by Claude Geoffroy the younger. However, the existence of bismuth was known since the 1400s but it was believed to be a form of lead. Answer and Explanation:1 The atomic number for bismuth is 83. The element has a chemi...
The atomic number of an atom is determined by: ___ A certain atom has an atomic mass of 19 and atomic number of 9. Using a periodic table, what element is this? If the atomic number of an element is 12 and the atomic mass is 25: a. How many protons are there in the nucleus...