百度试题 结果1 题目The chemical symbol for sodium is ___. A. So B. Sn C. Na D. Ni 相关知识点: 试题来源: 解析 C。sodium 钠的化学符号是 Na。反馈 收藏
chemical symbol[′kem·i·kəl ′sim·bəl] (chemistry) A notation for one of the chemical elements, consisting of letters; for example Ne, O, C, and Na represent neon, oxygen, carbon, and sodium. McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by...
Chemistry - Chemical Bonding (2 of 35) Lewis Symbol for Ion2 and Ionic Compounds +追 超清画质 评论 收藏 下载 分享 选集 51:37 Why Have We Not Found Any Aliens - with Keith Cooper 2020-01-20 43:24 Pushing the Limits of Human Mobility - with Eline van der Kruk 2020-01-20 06:57 Why...
the notation of single capital letter, or a combination of a capital letter and a lowercase letter, which is used to represent either an atom or a gram atom of an element, such as O for oxygen, Na for sodium (natrium).This is a preview of subscription content, log in via an instituti...
for an element involves one or two letters, with the first letter always capitalized. It usually is an abbreviation of the element's name, but some symbols are based on ancient names for the element. An example of this is Pb for lead, basing the symbol on the Latin name for the ...
Chemical symbolAgfrom the Latin Argentum. oris.ch oris.ch 化学符号Ag,源自拉丁文Argentum。 oris.ch oris.ch Mention of suchasymbolindicates a reference to a United Nations document. daccess-ods.un.org daccess-ods.un.org 凡是提到这种编号,就是指联合国的某一个文件。
The element with the symbol K is potassium. Potassium is one of the elements which is represented by a single letter. Some of the earliest known... Learn more about this topic: Chemical Symbol | Overview, Examples & Origin from Chapter 1/ Lesson 4 ...
The mass of an atom is known as atomic mass. In a balanced chemical process, a specific symbol represents the precise mass of a certain element. One nitrogen atom with an atomic mass of 14 u is represented by the letter N. Compounds:In a complicated process, writing the compound's whole...
→ Na2SO4 (aq.) + 2 H2O (l) 5. Combustion Reaction A combustion reaction occurs when a substance reacts with oxygen gas (O2), releasing energy through light and heat. Oxygen must be present for a combustion reaction to take place. Examples The combustion of hydrogen (H2) gas in the...
Jan 18, 2012 . Antimony has the symbol Sb from its Latin name Stibium. Lead has the symbol Pb from it Latin name Plumbum. Sodium has the symbol Na from its Latin name Natrium. Tin has the symbol Sn from its Latin name Stannum. Mercury has the symbol Hg from its Latin name Hydrargy...