Which one of the following does not increase while moving down the group of the periodic table?
Which one of the following does not increase while moving down the group of the periodic table?
April 2022
Which of the element whose atomic number is given below cannot accommodate in the present set up of the long form of the periodic table?
Which of the element whose atomic number is given below cannot accommodate in the present set up of the long form of the periodic table?
Which statement is correct for left to right movement in periodic table?
Which statement is correct for left to right movement in periodic table?
Which statement is correct for left to right movement in periodic table? Read More »
Which of the following elements will form acidic oxide?
Which of the following elements will form acidic oxide?
Which of the following elements will form acidic oxide? Read More »
Arrange the following elements in order of their increasing metallic character Na,Si,Cl,Mg,Al ?
Arrange the following elements in order of their increasing metallic character Na,Si,Cl,Mg,Al ?
Which set out of them shows the correct sequence of metallic characters?
Which set out of them shows the correct sequence of metallic characters?
Which set out of them shows the correct sequence of metallic characters? Read More »
Element X forms the chloride with the formula XCl2 ,which is a solid with a high melting point. X is most likely to be in the same group of periodic table as –
Element X forms the chloride with the formula XCl2 ,which is a solid with a high melting point. X is most likely to be in the same group of periodic table as –
Which of the following, in their outermost shell has 2 valence electrons?
Which of the following, in their outermost shell has 2 valence electrons?
Which of the following, in their outermost shell has 2 valence electrons? Read More »
Which of the following gives the correct order of atomic radii of O, F and N?
Which of the following gives the correct order of atomic radii of O, F and N?
Which of the following gives the correct order of atomic radii of O, F and N? Read More »