Q. Reaction of hydrogen with groups IV to VII-A give hydrides

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Q. Complex hydrides are mostly used as

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Q. 270 pm is that atomic radius of

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Q. The electrical conductance of Coinage metals is

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Q. The elements of group VIIA are least metallic due to their

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Q. Ionization energy of sodium atom is

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Q. Adsorption of hydrogen in transition elements give hydrides

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Q. Basic and acidic oxides react together and form

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Q. Atomic radius can be expressed in

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Q. The factors which affect the atomic radius are

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Q. Electron affinity depends upon

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Q. Along the short periods, the melting and boiling points of elements

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Q. The smallest size of Lanthanides is called

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Q. Following are the types of normal oxides

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Q. Atomic radius decreases down the group because of increase in

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Q. The halides which have bridge structure are called

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Q. The radius of Cl atom is 99 pm and that of Cl¯ is

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Q. In the group, electron affinity value

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Q. Ionization energy is an

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Q. Electron affinity value is expressed in figures

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