Chemical elements can be named after planets. Which element is named after Uranus? A. Uranium B. Platinum C. Potassium D. Phosphorus 相关知识点: 试题来源: 解析 A。铀(Uranium)是以天王星(Uranus)命名的。铂(Platinum)、钾(Potassium)、磷(Phosphorus)都不是以行星命名。
Chemical elements can be named after minerals. Which element is named after a mineral containing iron? A. Manganese B. Magnesium C. Mercury D. Molybdenum 相关知识点: 试题来源: 解析 A。锰(Manganese)是以一种含有铁的矿物命名的。镁(Magnesium)、汞(Mercury)、钼(Molybdenum)都不是以含有铁的矿...
A positively charged ion is known as Cation and a negatively charged ion is known as an anion. Answer and Explanation: In this question, there are two possible answers and I'll explain how. The question asks, which symbol indicates that the atom has l...
aAnalysing chemical databases to identify active hits for specific biological targets still remains widely used. Which element contributes to the efficacy of the processes in terms of response enrichment rates 分析化工数据库辨认激活命中为具体生物目标仍然保持用途广泛。 哪个元素对过程的效力贡献根据反应充实...
A method for the chemical regeneration of an element which is operated with air or oxygenGODFREY OSWIN,HARRY
Chemical elements may be named after famous scientists. Which element is named after Marie Curie? A. Curium B. Cadmium C. Calcium D. Carbon 相关知识点: 试题来源: 解析 A。锔(Curium)是以玛丽·居里(Marie Curie)和皮埃尔·居里(Pierre Curie)命名的。镉(Cadmium)、钙(Calcium)、碳(Carbon)都不是...
百度试题 题目The content of which chemical element is usually constant in a nucleic acid: _ A.CB.OC.ND.HE.P相关知识点: 试题来源: 解析 E 反馈 收藏
aSubstance : Chemical element and its compounds in the natural state or obtained by any manufacturing process, including any additive necessary to preserve its stability and any impurity deriving from the process used, but excluding any solvent which may be separated without affecting the stability of...
We must include this chemical element in the group Allow participation in or the right to be part of; permit to exercise the rights, functions, and responsibilities of; Admit someone to the profession She was admitted to the New Jersey Bar To add or encompass within a boundary or scope. Th...
Chloride of which of the following element is colored? A) Ag B) Hg C) Zn D) Co Colored Compounds Some of the insoluble compounds exhibit non-white colors which makes them easy to detect. It is for this reason that a particular test can be used to identify whether...