Be (4), Mg (12) and Ca (20) belong to the same group in the modern periodic table (a) Name the period of each element. (b) Write the electronic configuration of each element.
Topper's Solved these Questions
MODEL QUESTION PAPER - 4
VK GLOBAL PUBLICATION|Exercise SECTION - B |2 Videos
METALS AND NON-METALS
VK GLOBAL PUBLICATION|Exercise PROFICIENCY EXERCISE LONG ANSWER QUESTION|3 Videos
MODEL QUESTION PAPER -2
VK GLOBAL PUBLICATION|Exercise SECTION - B|2 Videos
Similar Questions
Explore conceptually related problems
Each group of the modern periodic table consists of a number of elements having the similar electronic configuration of the_____shell.
How are the group number and period number of an element in the periodic table determined from the electronic configuration of the element ?
Two which group in the periodic table does the element carbon belongs? Write down the electronic configuration of carbon and deduce the valency of carbon.
Which elements constitute group 14 of periodic table? Write their electronic configuration.
Atomic number of few elements are given below 10, 20, 7, 14 (a) Identify the elements (b) Identify the group number of these elements in the periodic table (c) Identify the periods of these elements in the periodic table (d) What would be the electronic configuration for each of these elements (e) Determine the valency of these elements.
Name the different blocks of elements in the periodic table. Give the general electronic configuration of each block.
Name two elements of first period in modern periodic table.
VK GLOBAL PUBLICATION-MODEL QUESTION PAPER - 4 -SECTION - B
