The chemical element with atomic number 11 is sodium. What is the abbreviation for sodium? A. Sa B. Sn C. So D. Na 相关知识点: 试题来源: 解析 D。钠元素的英文是 sodium,其缩写形式是 Na。选项 A“Sa”不是钠元素的正确缩写;选项 B“Sn”是锡元素的缩写;选项 C“So”不是钠元素的缩写。
Sodium is a common element found in table salt. What is the symbol for sodium? A. Na B. K C. Mg D. Ca 相关知识点: 试题来源: 解析 A。本题考查钠的英文符号。选项 B 是钾的符号,选项 C 是镁的符号,选项 D 是钙的符号。只有选项 A 是钠的符号。
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Sodium is a very good conductor of electricity, and scientists are working on ways of using it to make electrical wires. What are the main problems the scientists must try to solve before sodium can be used in this way? What are some uses of...
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Public transport: Many people need to move around the city and cities in the country’s interior, so it is necessary to use this element of protection in all means of public transport. Supermarkets, shopping centers, department stores, shopping malls: These places usually gather many people in...
What is the atomic number of sulfur? What is the electron configuration of an element with atomic number 15? Regarding the ion Cl^{2+}: a. How many electrons are in the ion? b. What is the electronic configuration of the ion? c. What is the orbital diagram of the ion?
What is the chemical name for sodium bicarbonate? A Common Household Compound: Sodium bicarbonate is a compound that is commonly found in households, and is known by several different names. It is an ionic compound formed by the attraction of a sodium ion, Na+, to a bicarbonate ion, HCO3-...
What do sodium ions interact with in Z-DNA? Z-DNA: Z-DNA is a rare left-handed form of the DNA double helix that is found in living cells. It has 12 base pairs per turn which are greater than the number of base pairs per turn that are exhibited by right-handed forms of DNA. ...
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。