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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Symbol ➥ of table Items; Description A continuation character indicates that a script continued from one line to the next should be typed as a single line in the Script Editor. The light bulb symbol indicates helpful tips, shortcuts and suggestions. Warnings indicate situations you should be ...
See all videos for this article 3 of 4 periodic table with atomic number, symbol, and atomic weightPeriodic table showing each element's atomic number, symbol, and atomic weight. 4 of 4 What is the periodic law?Explanation of the periodic table. ...
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See on the table, the symbols for elements 42 and 44? Well in early versions of the table, there was no symbol for an element with 43 protons because no element had yet been discovered with 43 protons. So the periodic table had a gap between elements 42 and 44.And, then, uh, in ...
The symbol indicates the beginning of a statement. The symbol indicates that a statement is continued on the next line. The symbol indicates that a statement is continued from the previous line. The symbol indicates the end of a statement. Keywords Keywords appear in uppercase letters. COMMAND_...
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