Q. The second electron affinity value is always

View solution

Q. The oxides in which oxidation state of oxygen is -2 are called

View solution

Q. The only non-metal in liquid state is

View solution

Q. PCl₄ is fairly

View solution

Q. The size of cation is decreased as compared to parent atom due to

View solution

Q. The binary compounds of halogens with other elements are known as

View solution

Q. In Cu₂Cl₂, oxidation state of Cu is

View solution

Q. The atomic radius of Potassium atom is

View solution

Q. General trend of electrical conductivity for metals in the periodic table is

View solution

Q. Oxidation state of an element in its free state is

View solution

Q. Binary compounds of oxygen with other elements are called

View solution

Q. Hydration energy of ions depends upon

View solution

Q. The best example of amphoteric oxides is

View solution

Q. In V₂O₅, oxidation state of O is

View solution

Q. Ionic hydrides are formed by groups

View solution

Q. When we move from left to right in the period, basic character

View solution

Q. The common method to determine the size of an atom is to assume that atoms are

View solution

Q. Metals usually form basic oxides and when to dissolve in water they form

View solution

Q. Trend of charge to size ratio and hydration energy in a period is

View solution

Q. Example of normal oxides is

View solution