百度试题 结果1 题目What element's symbol is Na? A. Sodium B. Sodion C. Sodier D. Sodone 相关知识点: 试题来源: 解析 A。元素符号 Na 代表 Sodium(钠)。不存在 Sodion、Sodier 和 Sodone 这三种元素。反馈 收藏
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The element which is used in making semiconductors and has the symbol Si. What is its English name? A. Sodium B. Silicon C. Strontium D. Selenium 相关知识点: 试题来源: 解析 B。解析:用于制造半导体,化学符号为Si的元素是Silicon(硅)。Sodium(钠)的符号是Na,Strontium(锶)的符号是Sr,Selenium(...
What is the chemical element arsenic?Question:What is the chemical element arsenic?Chemical Elements:Chemical elements are substances made of only one kind of atom. This allows them to keep their chemical properties, even when reduced to a single atom of the substance.Answer...
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Responses most commonly related to ideal relationships (41.7%), and sexual partnerships that contain some element of emotional or sexual connection (36.0%). Conceptualising best sex in terms of volume or variety of sexual activity was also commonplace (described in some manner by 30.9%). All othe...
What elements on the periodic table are nonmetals? What does a dissolved salt look like? What chemical element is in snow? What element has 13 electrons? What element has 10 electrons? What chemical element is Na? What are formed elements?
The same element can also vary in the number of electrons it has, creating ions. For example, sodium (Na) is a highly reactive element. Na can form an ionic bond with chlorine (Cl) where the sodium loses an electron -- becoming Na+ -- and gives it to the chlorine atom -- which ...
Which element forms an ionic compound when it reacts with lithium? What is the most common isotope of lithium? Which element has the highest electron affinity among halogens? Does lithium have metallic bonding? What is lithium's state of matter?