What is the common name of this group or family?
Which is greater in size?
an atom or an anion
Answer the following in respect of element `31/15 P `
Is it a reducing agent or oxidizing agent?
Correct the statements.
Valency depends upon the number of shells in an atom.
Fill in the blank:
(a) The horizontal rows in the periodic table are called …………
Name two elements in each case:
Alkali metals :-
Give reasons for the following:
argon atom is bigger than chlorine atom.
Arrange the Elements of Group 17 and Group 1 According to the Given Conditions.
Increasing order of atomic size,