Q. bond formed by elements of widely different electro negativities is

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Q. Cationic radius decreases when effective nuclear charge on ion

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Q. In comparison of electronegativity values increase in a period with decrease in (structure O)

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Q. Amount of energy which is evolved in bind formation is

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Q. After loss an electron potassium attains configuration of

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Q. Electropositive elements are at a higher energy state then the

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Q. Electron affinity of potassium atom is

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Q. First ionization energy oxygen of is

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Q. Ionization energies is influenced by shielding effect of

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Q. In which period decrease of atomic radii is very prominent?

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Q. Number of electrons in valence shell of first element of period is

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Q. From top to bottom in a group of periodic table atomic radii

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Q. In a group of periodic table, nuclear charge

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Q. Electron affinity of sodium atom is

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Q. Force of which ultimately results in difficult removal of electron is

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Q. Atomic number of sodium is

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Q. In group from top to bottom electron affinity

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Q. Increase in atomic number is leads to a stronger force of attraction between nucleus and increasing number of

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Q. Covalent radius of hydrogen is

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Q. Electron affinity of chlorine is

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