Q. The oxidation state of Cl in HClO₄ is

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

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

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

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

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Q. Elements of group IVA have oxidation state

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

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Q. The oxides of less electropositive elements are usually

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Q. Oxidation state of noble gases is

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Q. Boiling point of hydride is the greatest

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Q. From left to right on the periodic table, electronegativity difference reduces and trend shifts towards

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Q. Oxides of non-metallic elements i.e., C, N, P and S are in nature

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Q. 21 KJ/mol is the electron affinity value for

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Q. If ionic bond is present between metal and halogen, the halides are called

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Q. In the second period, second ionization energy of Be is more than B due to

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Q. The average of the distance between nucleus of the atom and outer most shell is

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Q. Allotropic form of carbon having giant tetrahedral structure

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Q. Vanadium shows oxidation state

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

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Q. Metallic character decreases in the periods due to

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