百度试题 结果1 题目,When two or more elements combine and form a compound a chemical_takes place. A. material B. reflection C. substance D. reaction 相关知识点: 试题来源: 解析 D 反馈 收藏
解析 答案:elements.分析句子可知,此处作主语,且空前有two or more修饰,故用名词的复数形式elements表示"元素"作主语。故答案为elements。结果一 题目 When two or more ___(元素) combine and form a compound(化合物),a chemical change takes place. 答案 答案:elements.分析句子可知,此处作主语,且空前有two...
百度试题 结果1 题目Reactions in which two or more substances combine to form a compound are called reactions.相关知识点: 试题来源: 解析 direct combination; synthesis 反馈 收藏
1. Combine two sentences into a compound sentence as required.1)The manager did something. The thing the manager did is not yet known. (主语从句)2) The girl has got married. It is said so. ()3)You mean something. I don't know what is that. (宾语从句)4) The team was getting on...
1这段英文是什么意思combine two simple sentences into one compound sentence by using a comma and the coordinating conjunction in parentheses(and or but).write the compound sentence on the line.the first one has been done for you. 2【题目】这段英文是什么意思combine two simple sentences into one...
How do elements combine to form compounds? What part of the atom bonds in a chemical reaction? What types of atoms are involved in ionic bonds? How is an ionic compound formed? What are atoms that have become negatively charged by gaining extra electrons called?
She came into the room.She began to read a book.(and)Combine the two sim pie sentences into compound sentences using the words given. 用所给的词将下列简单句改写为复 合句. Example: Many of the cars broke down. Some drivers spent more time under their cars than in them! (and) Many ...
刷刷题APP(shuashuati.com)是专业的大学生刷题搜题拍题答疑工具,刷刷题提供Combine the two sentences to make a logical compound sentence. Jillian's ideal sandwich has turkey, sprouts, avocado, and squishy wheat bread. It also has fresh tomato.A.Jillian's ide
<p><strong>Step-by-Step Text Solution:</strong></p><p>1. <strong>Understand the Question</strong>: The question asks for an example of a reaction where two compounds combine to form a single compound. This type of reaction is known as a combination react
The correct Answer is:B (1s22s22p63s23p63s2) has two valence electrons to therefore it readily loses these electron to form X2+ than nearest noble gas configuration. Therefore, it gains one electron easily to form Y− combine with ion of X2+ to form compound , XY2 ...