What is CA on the periodic table? What group is nickel in on the periodic table? What are elements in groups 3 through 12 on the periodic table called? What is iodine on the periodic table? What group are the noble gases in?
NA(a) What is a group in the periodic table in which part of a group would you separately expect elements to have (i) the greatest metallic character (ii) the largest atomic size? (b) In what respects do the properties of group 1 elements differ from
What is the group number in the periodic table of X, a representative element, in each of the following ionic compounds. 1. X2O3 2. X2SO3 3. Na3X Representative elements: Representative elements involve the filling of s an...
B1. B: The horizontal rows of the periodic table are called periods. The vertical columns of the periodic table are known as groups or families. Developed by Dmitri Mendeleev to organize the known elements according to their similarities, all of the periodic table elements in a group have ...
百度试题 结果1 题目What is a row of elements on the periodic table called? A. octave B. period C. group D. transition 相关知识点: 试题来源: 解析 B 反馈 收藏
The periodic table of the elements is a representation of all known elements in an orderly array. The periodic law presented by Dmitri Mendeleev in 1869 stated
The yellow block of elements in the centre of the table is known as transition metals. These elements are very useful as they conduct electricity and are mostly solid at room temperature. Halogens – Group 7 Halogens are the elements in light purple. The halogen column is the only column ...
What element is in period 4 and group 14 (4A) in the periodic table? What element is in period 5 and group 16 (6A) in the periodic table? Explain the difference between the groups and the periods on the periodic table. What is the significance of each in terms of electro...
百度试题 结果1 题目What are the horizontal rows in the periodic table called? A. Groups B. Blocks C. Periods D. Orbitals 相关知识点: 试题来源: 解析 C。原因:文章中明确提到“The horizontal rows are called periods.”。 反馈 收藏
(chemistry) A column in the periodic table of chemical elements. Individual Relating to a single person or thing as opposed to more than one. As we can't print them all together, the individual pages will have to be printed one by one. Group (chemistry) A functional group. Nitro is an...