Q. An efficient antiknock agent is

View solution

Q. Elements at the top right of periodic table are

View solution

Q. Ionization energy of Mg → Mg +1 +1e¯ is

View solution

Q. The size of an atom is measured

View solution

Q. The electron affinity of fluoride ion is

View solution

Q. The ionization energy depends upon following factors

View solution

Q. 1 eV is equal to

View solution

Q. Carbon has high melting point in

View solution

Q. Electrical conductivity of metals depend upon the movement of

View solution

Q. The oxides of non-metallic elements are said to be

View solution

Q. Heat change when one mole of gaseous ions dissolves in water to give an infinitely dilute solution is said to be

View solution

Q. The element with zero oxidation state is

View solution

Q. Zinc (Zn) shows oxidation number

View solution

Q. The oxidation state of Cl in HClO₄ is

View solution

Q. Non-metallic character of an element decreases as the

View solution

Q. The charge which is present on an element in a compound is called its

View solution

Q. Atomic radius decreases from left to right in the period due to

View solution

Q. The elements at the bottom of groups VA and VIA are

View solution

Q. Elements of group IVA have oxidation state

View solution

Q. The smallest size of cations is greatly prominent in orbitals

View solution