Magnesium oxide C. Water D. Potassium nitrate 相关知识点: 试题来源: 解析 C。解析:在化学中,水(water)是共价化合物(covalent compound)。共价化合物是由原子间通过共用电子对形成的化合物。氯化钠(sodium chloride)、氧化镁(magnesium oxide)和硝酸钾(potassium nitrate)都是离子化合物(ionic compound)。
Cement a magnesium compound is economical, gchable with water, and its method of manufacture on the basis of the dolomiteBEAUCARNOT CLAUDEBEAUCARNOT CLAUDE
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What is Magnesium and why it became a household material that's included in many products as well as broadly used in a variety of industries.
What type of chemical element is magnesium? What is the newest chemical element? What element is a metal with 4 electrons in its outer shell? What is the element Xe? What is the most common chemical element on Earth? What is the most massive chemical element?
1. In the food and medicine industry, it is mainly used in magnesium citrate, magnesium amino acid, magnesium fructose, magnesium radon citrate, magnesium threnate, and pharmaceutical grade magnesium stearate as an element supplement, intermediate, antacid, desiccant, color protection agent, acid-base...
Like magnesium and aluminum, titanium and its alloys readily oxidize when exposed to air. Titanium reacts with oxygen at approximately 1200°C and shows similar reactivity at 610°C when oxygen is in its purest form. In the presence of oxygen and water, titanium behaves as an inert element ...
(Li) and oxygen combine to create lithium oxide (Li2O). Sometimes, a new compound might form when an element is exposed to an existing compound. For example, when pure elemental sodium (Na) is submerged into liquid water (H2O), a reaction occurs, resulting in the formation of sodium ...
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