A. Krypton B. Potassium C. Silicon D. Sulfur 相关知识点: 试题来源: 解析 B。解析:化学符号为'K'且对神经功能重要的元素是Potassium(钾)。Krypton(氪)的符号是Kr,Silicon(硅)的符号是Si,Sulfur(硫)的符号是S。这题考查元素的化学符号与英文名称以及元素的生理功能。反馈...
A. Neon B. Nickel C. Nitrogen D. Sodium 相关知识点: 试题来源: 解析 A。解析:Neon(氖)是一种惰性气体,符号为“Ne”。B选项Nickel(镍),符号为“Ni”;C选项Nitrogen(氮),符号为“N”;D选项Sodium(钠),符号为“Na”,所以答案为A。反馈 收藏 ...
百度试题 结果1 题目Which element is represented by the symbol “Fe”? A. Iron B. Gold C. Silver D. Copper 相关知识点: 试题来源: 解析 A。解析:元素符号“Fe”代表铁(Iron)。金是“Au”,银是“Ag”,铜是“Cu”。反馈 收藏
百度试题 结果1 题目Which chemical element symbol is used in making fertilizer? A. N B. Cl C. Br D. I 相关知识点: 试题来源: 解析 N。氮(N)元素用于制造肥料。氯(Cl)用于消毒等,溴(Br)用于阻燃剂等,碘(I)用于医药等。反馈 收藏
A. Period 1 B. Period 2 C. Period 3 D. Period 4 相关知识点: 试题来源: 解析 C。解析:元素符号为“K”的钾元素位于周期表的第三周期。第一周期元素为氢、氦,第二周期元素为锂、铍等,第四周期元素有钾之后的钙等。反馈 收藏
After that, following the suggestion of Berzillius, symbols of elements were made from one or two letters of the name of the element.Complete step by step answer:Here, we have to identify the element whose symbol is Ti. Let’s discuss all the options one by one...
The <ins> HTML element underlines text and has normal font color and normal font-weight. No one familiar with GitHub will confuse it for a link. It's another styling effect that I find more useful than srikethrough. This is text underlined with the ins HTML tag. This is <ins>text ...
For example, it generates the (1,1.1,1.2) display such as an LCD, operation within the inner element (10), for example, a symbol to display a button or key cap top (11, image (12) It is proposed that is projected onto a) within. In order to do not want to be affected by (1...
in the periodic table of elements which symbol has 41 electrons?Identify an element in the third period of the periodic table with four 3p electrons.On the periodic table, what are elements from the 7A(17) group called?Which of these elements has seven valence...
Referenced array element has a value of 'Nothing' Referenced object '<objectname>' has a value of 'Nothing' Referenced object has a value of 'Nothing' Relational operator expected 'RemoveHandler' declaration must end with a matching 'End RemoveHandler' 'RemoveHandler' definition missing for event...