It is the number of an element in thePeriodic table of the elements.结果一 题目 What is the atomic number of an element?ps:Please answered in English 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.相关推荐 1What is the atomic number ...
What is the name of the element that has an atomic number of 8? Which atom has the smallest number of neutrons? What is an atom that has more protons than electrons? What element has an atomic number of 16? What element has the atomic number 74?
What element has the atomic number 01?Atomic Structure:An atom is comprised of three subatomic particles: protons, neutrons, and electrons. Protons, which are positively charged particles, and neutrons, which are negatively charged particles, are found inside the nucleus. The negatively charged ...
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 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...
搜索智能精选 题目An element is a substance all of _ atoms have the same atomic number. A. that B. whose C. what D. which 答案B
The chemical element with atomic number 11 is sodium. What is the abbreviation for sodium? A. Sa B. Sn C. So D. Na 相关知识点: 试题来源: 解析 D。钠元素的英文是 sodium,其缩写形式是 Na。选项 A“Sa”不是钠元素的正确缩写;选项 B“Sn”是锡元素的缩写;选项 C“So”不是钠元素的缩写。
The chemical element with atomic number 14 is silicon. What is the abbreviation for silicon? A. Si B. Sy C. Sg D. Sn 相关知识点: 试题来源: 解析 A。硅元素的英文是 silicon,其缩写形式是 Si。选项 B“Sy”不是硅元素的缩写;选项 C“Sg”一般不是任何化学元素的缩写;选项 D“Sn”是锡元素...
Consider the element Au (Atomic Mass = 197). How many protons, neutrons, and electrons does a neutral atom have? An element has an atomic number of 114 and an atomic mass of 285. How many protons, neutrons, and electrons does a neutral atom of this element have?
A. Increasing atomic number. B. Decreasing atomic weight. C. Increasing atomic weight. D. Random order. 相关知识点: 试题来源: 解析 C。中文解析:文中提到“Mendeleev arranged the elements in order of increasing atomic weight”,门捷列夫按照原子量递增的顺序排列元素。反馈...