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
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。
The element sodium is very reactive. What happens when sodium reacts with water? A. It freezes the water B. It makes the water turn into steam C. It catches fire and gives off hydrogen gas D. It turns the water into ice 相关知识点: ...
found in the nucleus of every atom of that element. The atomic number uniquely identifies a chemical element. It is identical to the charge number of the nucleus. In an uncharged atom, the atomic number is also equal to the number of electrons. Atomic num...
What is the chemical element symbol of sodium? What element is a metal with 4 electrons in its outer shell? What is the fourth element on the periodic table? What chemical element has 4 protons? What is the chemical element chlorine?
What chemical element takes its name from the Latin word natrium? What is the chemical name for sodium bicarbonate? What is the name for the compound H3PO4? What are iron oxide minerals? What is the chemical symbol for ytterbium?
Sodium is an abundant metallic element that is an important mineral for all living organisms. It is also widely used industrially to make an assortment of consumer goods. The soft metal also appears in an abundance of compounds, such as sodium chloride, better known as salt. It also exists ...
matter. Each element is defined by the number of protons in its nucleus. The chemical elements are organized on theperiodic table of the elements. Each element has an atomic number and a symbol. The symbol may be based on the Latin name of the element and not be related to the English ...
the symbol for the element sodium is Na. Each element also has an Atomic Number and a Mass Number. Together, these describe the atoms of that particular element. It is possible to describe all known elements in a single table - which is called the Periodic Table. In it each element is ...