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 12 is magnesium. What is the abbreviation for magnesium? A. Mg B. Mn C. My D. Mh 相关知识点: 试题来源: 解析 A。镁元素的英文是 magnesium,其缩写形式是 Mg。选项 B“Mn”是锰元素的缩写;选项 C“My”不是镁元素的缩写;选项 D“Mh”不是镁元素的...
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...
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...
The chemical element with atomic number 19 is potassium. What is the abbreviation for potassium? A. 需器通没团想者术报干西细边料列需器通没团想者术报干西细边料列K需器通没团想者术报干西细边料列需器通没团想者术报干西细边料列 B. 养型常切就她整放下习着风何们象才维身事样养型常...
Chromium element symbol. Cr abbreviation. Atomic number 24. Atomic mass 51.996.,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、盛世长城、百度
Hf in Chemical Elements refers to Hafnium, a chemical element with the symbol Hf and atomic number 72, known for its high melting point and ability to absorb neutrons, making it valuable in nuclear reactors and alloys. Explore categories such as Chemistry and Materials for more information. HF...
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Important List of abbreviations beginning of the letter "P" For all school, college and university students. This abbreviation list is also very important and effective for various kinds of competitive examinations and viva-voce and specially for BCS and
A) An element is a substance whose atoms all have the same atomic number. B) The atoms ofan element all contain the same number ofprotons C) The atoms ofan element all contain the same numbers of neutrons D) An element is a substance that cannot be broken down any further by chemical ...