A. EN = IP x EA
B. EN = IP / EA
C. EN = (IP + EA) / 2
D. EN = IP - EA
Which of the following is a favourable factor for cation formation
Identify the correct order in which the covalent radius of the following elements increases<br>I. Ti<br>II. Ca<br>III. Sc<br><p><br></p>
In the long form of periodic table, the elements having lowest ionisation potential are present in :<br>
Al3+ion has a lower ionic radius than Mg2+ ion because :
An oxide of an element is a gas and dissolves in water to give an acidic solution. The element belongs to
Observe the following statements :<br>I. The physical and chemical properties of elements are periodic functions of their electronic configuration.<br>II. Electronegativity of fluorine is less than the electronegativity of chlorine.<br>III. Electropositive nature decreases from top to bottom in a group.<br>The correct answer is :
Which one of the following order is correct for the first ionization energies of the elements
The order of decrease in atomic radii for Be;Na;Mg is
Which of the following has the highest first IP