The periodic table is the display chart of the chemical elements. It is arranged in order from 1 to 118 with 18 columns, and 7 rows. The columns are also known as groups, and the rows are also known as periods. Each element has a number on the periodic table, which is the ato...
The elements of same group of the periodic table have View Solution What happens to number of valence electrons in atoms of elements as we go down a group of the periodic table ? View Solution Exams IIT JEE NEET UP Board Bihar Board ...
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...
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 that if the (known) elements are arranged by atomic weight, then certain trends in chemical properties can be observed. That is to s...
Periodic tableMadelung ruleThis article considers two important traditions concerning the chemical elements. The first is the meaning of the term "element" including the distinctions between element as basic substance, as simple substance and as combined simple substance. In addition to briefly tracing ...
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 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...
What periodic table group is nitrogen in? Periodic Table Group: An important part of chemistry is being able to understand the various useful features of the periodic table of the chemical elements. These features include the atomic number, row position and column position of each element. Each ...