Q. Allotropic form of carbon having giant tetrahedral structure

View solution

Q. Vanadium shows oxidation state

View solution

Q. When we move from top to bottom, metallic character

View solution

Q. Metallic character decreases in the periods due to

View solution

Q. Most non-metallic character is present in

View solution

Q. Due to electron-electron repulsion, size of anion

View solution

Q. The elements which have the ability to form positive ion by losing electron are considered as

View solution

Q. Hydrides of Be, Mg, Zn and Cd are in nature

View solution

Q. The oxidation state of "S" in H₂S is

View solution

Q. In periods, hydration energy

View solution

Q. The amount of energy required to remove the first electron from the atom in the gaseous state is called

View solution

Q. Example of acidic oxide is

View solution

Q. Element with maximum positive oxidation state of representative elements is equal to

View solution

Q. Covalent hydrides are generally

View solution

Q. The metal that form amphoteric oxides includes

View solution

Q. The second electron affinity value for the formation of negative ion of oxide is

View solution

Q. The metal exists in liquid state at room temperature

View solution

Q. Trend of hydrides to be covalent in a period

View solution

Q. AlF₃ is a purely ionic halide having melting point

View solution

Q. Periodicity is the gradual change in the properties of elements when they are arranged according to their ascending order of

View solution