Q. Iso-electronic species are substances having electrons

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Q. Second Ionization energy is then first ionization energy

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Q. Trend of ionization energy in the group is

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Q. Electrical conductance in metals is due

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Q. The smaller size of cations is mainly prominent in sub-shells

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Q. The oxides of alkali and alkaline earth metals are basic except

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Q. The metal is in liquid state at room temperature

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Q. Atomic radius is affected by

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Q. The ability of an atom to attract shared pair of electrons towards itself

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Q. The radius of Fluorine atom is

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Q. The oxidation state of "Na" in NaCl is

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Q. Most stable hydrides are of

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Q. Hydrides formed between elements with E.N difference greater than 1.8 are

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Q. The radius of positive ion is called

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Q. The charge on an atom is called its

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Q. Atomic radius decreases in a period due to

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Q. Halides with dimensional lattice are

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Q. Coinage metals have conductance

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Q. The oxidation state of "S" in H₂SO₄ is

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Q. The radius of parent atom is greater than

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