Potassium is important for our body's health. What is the symbol for potassium? A. K B. Ca C. Mg D. Fe 相关知识点: 试题来源: 解析 A。本题考查钾的英文符号。选项 B 是钙的符号,选项 C 是镁的符号,选项 D 是铁的符号。只有选项 A 是钾的符号。
When potassium (K) reacts with iodine (I₂), what is the English for the state symbol "s" (solid) in the chemical equation? A. Liquid B. Gas C. Aqueous D. Solid 相关知识点: 试题来源: 解析 D。解析:“s”在化学方程式中的状态符号代表固体(solid)。选项A代表液体(liquid),选项B代表...
What is salt also known as? A. Potassium chloride. B. Sodium carbonate. C. Sodium chloride. D. Calcium chloride. 相关知识点: 试题来源: 解析 C。中文解析:文中提到“Salt, also known as sodium chloride”,盐也被称为氯化钠。反馈 收藏 ...
Mass numbers are used to identify different isotopes of an element and are a count of the protons and neutrons found in that isotope's nucleus. Interestingly, the number of protons will remain constant, regardless of the isotope, but the number of neutrons will change. This is because an ato...
Articles include a summary of key points and a brief overview for patients. Articles may also have a series of multiple choice CME questions.doi:10.1136/dtb.2019.000064Varinder RaiDrug and Therapeutics Bulletin
Potash (the old name for potassium carbonate)is one of the two alkalis (the other being soda,sodium carbonate)that were used from remote antiquity in the making of glass,and from the early Middle Ages in the making of soap:the former being the product of heating a mixture of alkali and ...
Potassium chromate, with the chemical formula K2Cr2O7, is an important inorganic compound. It is an orange crystalline solid that can dissolve in water and is used as an oxidizing agent and catalyst. In the chemistry laboratory, it is widely used in analysis and synthetic chemical reactions. So,...
To be sure potassium chloride is helping your condition, your blood may need to be tested often. Your heart rate may also be checked using an electrocardiograph or ECG (sometimes called an EKG) to measure electrical activity of the heart. T
What is the purpose of adding potassium persulfate(K2S2O8) to the K6 solution? ()A.To dissolve cobalt ionsB.To reduce cobalt ionsC.To precipitate cobalt ionsD.To oxidize cobalt ions的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大
aPotassium is generally in the form of potash, which ... well off-hand I forget what the form of potassium is that the plants actually take up (I'm sure someone will write and remind me!). 钾一般是以钾盐的形式,… 好临时我忘记什么钾的形式是植物实际上占去 (我是肯定的某人将写并且提醒...