百度试题 结果1 题目13. What is the bond order of O2? b a)1b) 2c)3d)4 相关知识点: 试题来源: 解析 b 反馈 收藏
bond orders 是键级,键序的意思比如:The bond orders ,net charges and the composition of molecular orbitals are calculated for the simplified ca3co409 model简化的caco4o9模型的键级、净电荷和分子轨道组成可用相同的方法进行计算.键级的计算用共振来考虑是最简单的.很明显,碳酸根中3个主要的共振式是等价的....
IBond Order:A bond order is described as a numerical value that indicates the strength of the bond. Larger the number of bond order, the stronger the bond strength. If the bond order is zero, there is no bond.Answer and Explanation: ...
bond1名词n.1.结合力;联结,联系[C][P1]Common interests formed a bond between us.共同的利益把我们联系在一起.2.镣,铐;束缚;囚禁[P]It takes courage to break the bonds of convention.打破传统的束缚需要勇气.3.契约,约定[C]4.字据;债券;公债[C]People are eager to buy government bonds.人们急于...
Interpreting the index number is basic as well. A bond order of zero indicates that the bond is unstable. A bond order of one indicates a stable bond, and a bond order of 2 indicates that a bond is not easily broken. Bonds with an order of 3 are considered very strong. Highly stable...
Annuities allow you to invest money with a life insurance company, which provides an income stream for a period of time or for life. A bond is a debt instrument that investors buy from corporations or governments that pay interest for a fixed period and the principal gets repaid when the bo...
A CD may be a good idea if you want some of your savings invested conservatively. It can help you achieve lower risk and volatility than investing in the stock and bond markets. One of thedownsides of CDsis that your money is locked into the investment. However, that can be a benefit ...
10. What is the woman doing? A. Giving a lecture. B. Hosting a program. C. Chairing a meeting. 11. What made Robert want to become an astronomer? A. His parents' encouragement. B. His experiences in big cities. C. His curiosity about the stars. ...
What is a Treasury bond? Treasury bonds, often referred to as T-bonds, are long-term loans made to the U.S. government. When you buy a Treasury bond, you’re essentially lending money to the federal government. In return, the government agrees to pay you a fixed rate of interest every...
The ease of trading ETFs gives investors more control over when and how they trade. This liquidity feature is one of the key benefits of owning ETFs, particularly when compared to mutual funds. Just make sure your order type is consistent with your goals. Tax efficiency You’ve probably learn...