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

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

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

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Q. In periods, hydration energy

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

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Q. Example of acidic oxide is

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

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Q. Covalent hydrides are generally

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Q. The metal that form amphoteric oxides includes

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

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Q. The metal exists in liquid state at room temperature

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Q. Trend of hydrides to be covalent in a period

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Q. AlF₃ is a purely ionic halide having melting point

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

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Q. Trend of electric conductance for group I-A and II-A in a group is

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Q. An anion is formed when an atom

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Q. 419 KJ/mol is the ionization energy value for the atom

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Q. Inert gases have maximum ionization energy value because of

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Q. Cationic radius is the radius of

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Q. The radius of a negative ion is called

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