3A elements have a total of 3 valence electrons, most of these elements form +3 cations. Thallium can also form +3 cations, but it tends to form +1 cations more. What is the family of 3a on the periodic table? Group 3A elements belong to the boron family, which is a group of ...
group in periodic table 周期表属 periodic table 周期表 periodic group 周期类 periodic table of elements 元素周期表 Mendelyeev's periodic table 门捷列夫周期表 periodic table of (chemical) ele ments 【化】 元素周期表 asymmetric periodic orbit 非对称周期轨道 fixed periodic block 固定的轮伐...
In the periodic table, which group of elements is known for their ability to form multiple oxidation states? A. Group 1 B. Group 2 C. Group 13 D. Transition metals 相关知识点: 试题来源: 解析 D。解析:过渡金属以能够形成多种氧化态而闻名。第一主族元素通常只有一种氧化态(+1),第二主族...
aAll happy families resemble one another ;every unhappy family is unhappy in its own way. 所有愉快的家庭互相类似; 每个怏怏不乐的家庭是怏怏不乐的 用它自己的方式。[translate] aThe atoms of elements in a group of the periodic table have the same distribution of elec- 元素原子在周期表的一个小...
a. Group 1 b. Group 2 c. Group 13 d. Group 18 Periodic Table of Elements: The Periodic Table of Elements presents the elements such that those that have similar properties are in a specific group. As an example, the non-metals are found ...
(c) From the standpoint of atomic structure, what determines which element will be the first and which the last in a period of the periodic table? (d) Explain why, the properties of elements are repeated after 2, 8, 18 and 32 elements in the periodic table. ...
15 Rubidium is an element in Group I of the Periodic Table. Which one of the following statements about rubidium is incorrect? D A Rubidium has a low density. B Rubidium is soft and can be cut with a knife.C Rubidium reacts explosively with water to form an alkaline solution.D Rubidium...
Periodic Table of the Main-Group ElementsELSEVIEROrganometallic Syntheses
2 The elements in Group 17 of the Periodic Table are called the halogens. They form stable compounds with both metals and non-metals.The table gives some dat a about F2, HCl and CaF2F2HCI CaF2boiling point/K851882773relative formul a mass38.036.578.1(a)(i) State what is meant by the...
英语翻译这是关于化学的,In general,elements in the same group of the periodic table have the same number of electrons in the outermost energy level of their atoms. 答案 通常情况下,在元素周期表中的同组元素,他的最外层电子数时相同的.相关推荐 1英语翻译这是关于化学的,In general,elements in the...