What is the chemical symbol for silver?a) Agb) Auc) Hgd) Sn 相关知识点: 试题来源: 解析 a) Ag 题目询问银的化学符号,并给出了四个选项。 - **选项a) Ag**:银的化学符号来自其拉丁文名称“Argentum”,因此正确。 - **选项b) Au**:这是金(Gold)的化学符号,来自拉丁文“Au
What is the chemical symbol for sodium?A) NaB) SnC) SoD) Sd 相关知识点: 试题来源: 解析 A 题目询问钠(sodium)的化学符号。 - **A) Na**:钠的拉丁语名称是Natrium,因此其化学符号来自拉丁文首字母和第二个字母的组合,即Na。 - **B) Sn**:这是锡(Tin)的化学符号,与钠无关。 - **C) ...
The TV set is made by the workers in the factory. 这台电视机是由这个工厂的工人制造的。 ---Your sweater looks nice. Is it made ___ cotton? ---Yes, and it was made ___ Shanghai. A. of; by B. of; in...
百度试题 结果1 题目What is the chemical symbol for silver? A. Si B. Ag C. Au D. Sn 相关知识点: 试题来源: 解析 b) George Washington 反馈 收藏
53题. Why does the UN use the olive branch in its symbol? 只要不超过10个词,答案可灵活整理成以下几种: Because it symbolizes peace and unity.Because it is a symbol of peace and unity.Because it stands for peace and unity.Because its symbolic meaning is ...
【题目】( )What cartooncharacter is a symbol of Chine se culture? A. Mickey Mouse B. Snow White C.Monkey King D. Donald Duck 相关知识点: 试题来源: 解析 【解析】 由题意可知,这道题的要点是这里是问那个卡通代 表中国文化,那我们知道B选项是孙悟空,可谓 是中国文化的代表,根据这一点便可以很...
Tin is a silvery-gray metallic element which has been used by humans for thousands of years. The symbol is Sn, from the Latinstannum, and its atomic number is 50, placing it with other metals such as antimony and aluminum. Almost every continent on Earth has a source of tin, usually in...
What is the Lewis dot symbol of Mg?Lewis Dot structure:Lewis dot structure is also called an electron dot structure. This lewis structure is used to represent the valence electrons of atoms within the molecules.Answer and Explanation: The atomic number of magnesium is twelve. Magnesium consists ...
“Fire sitting on water is a symbol of conflict and skirmish,” he said. “We’ll also see more fire disasters and bombings.” 他说“火在水上象征了冲突和争斗,还会有更多的火灾和爆炸”。 〈点拨〉 skirmish,battle,encounter,combat,campaign几...
It's a must for us to learn to sort waste. It is the little things we do today that have a profound influence on the planet. Only if all of us make joint efforts can we make a big difference and have a good environment. 2.垃圾...