Q. A unit difference which shows roughly equal contributions of ionic and covalent bond is

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Q. Energy released when an electron adds to an empty orbital of an isolated gaseous atom is

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Q. Third ionization energy of Mg is

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Q. Arbitrary standard value which is given by fluorine on electro negativity scale is

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Q. Electron affinity is measure of attraction of nucleus of an atom for the

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Q. Electron affinity of halogens is

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Q. Due to increase in nuclear charge pull on electros is increased and size of an atom

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Q. Phase in which, atoms and ions are isolated and are free from all external influences is

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Q. Electron affinity of oxygen atom is

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Q. Metals are solids, except

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Q. Melting point of silica (SiO₂) is

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Q. Potassium Oxide is formed through

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Q. In forming an ionic bond in Potassium Fluoride (KF), Potassium ion (K+)

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Q. Due to mobile valence electrons,

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Q. In polarization, positive side attracts the

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Q. Solvents of covalent compounds include all but

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Q. Poor conductors of electricity is a characteristic of

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Q. Elements in group III are likely to form

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Q. Diamonds...

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Q. Simple molecules or giant macromolecules are examples of

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