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。反馈 收藏 ...
Atomic Numbers: An element's atomic number directly correlates to the number of protons located in the nucleus of its atoms. In fact, the number of protons in the nucleus is the defining characteristic by which an atom is assigned its element. ...
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”不是磷元素的缩写。反馈 收藏 ...
Boron: Semimetallic chemical element, chemical symbol B, atomic number 5. 硼: 半金属的化学元素, 化学符号b, 原子序数5. 来自互联网 10. Hydrogen is the lighted chemical element of all. 氢是所有化学元素中最轻的元素. 来自互联网 11. Radium is a chemical element. 镭是一种化学元素. 来自互联网...
美 英 n.化学元素 网络元素的原子序数;化学成分表 英汉 网络释义 n. 1. 化学元素 un. 1. 化学无素
Selenium chemical element Sign with atomic number and atomic weight Periodic Table Element,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、
Oxygen is the element with atomic number 8 and element symbol O. Under ordinary conditions, it can exist as a pure element in the form of oxygen gas (O2) and also ozone (O3). Here is a collection of facts about this essential element. ...
Cerium chemical element Sign with atomic number and atomic weight Periodic Table Element,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛
For these reasons, there is a recognized need for a physical pre-separation of the transactinide element atoms before chemical separation. Thus, a recoil chamber can be coupled to a kinematic pre-separator instead of a focal plane detector array [7], [8], [9], [10]. In order to attain...
5.0 • 37 Ratings ¥15.00 Screenshots iPad iPhone Description This app allows you to quickly access information on all elements, including atomic number, atomic weight, boiling point, density, and more. You can also use it to find information on element molecular formulas, crystal structures, ...