A: Lithium is the strongest reducing agent in the periodic table. R: Fluorine is the strongest oxidising agent in the periodic table. View Solution In what manner is the long form of periodic table better than Mendeleef's periodic table? Explain with examples. ...
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 ...
What is tin on the periodic table?Periodic table:There are 118 known elements that are organized on the periodic table. The periodic table was developed by a Russian scientist named Dmitri Mendeleev. The elements are organized by the number of protons in their nucleus, called the atomic number...
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...
The Periodic Table is a table of all the elements we know about today. Elements are placed in order of atomic number ( number of protons in the nucleus ).
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...
Structure of the Periodic Table Closely related to electron configuration Energy Levels = Row Number Elements in same row have same # of energy levels # of principal energy levels = to row # Going Across Row 2: 2-8 Ne 18 (VIIIA) 2-7 F 17 (VIIA) 2-6 O 16 (VIA) 2-5 N 15 (VA...
1. What is the name for the horizontal rows of the periodic table?B A. groups B. periods C. families D. sets 相关知识点: 试题来源: 解析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. ...
On the periodic table, what are elements from the 7A(17) group called? What is a periodic table and how many groups of elements does it consist of? What group in the periodic table has the valence-shell configuration ns2np4? Which group in the periodic table contains elements with t...