Q. Metals lose electrons from their lattice to become

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Q. Neither ions nor electrons are free to move in

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Q. The attractive forces between metal ions and delocalized electrons can be weakened or overcome by

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Q. The conduction of electricity in metallic bonding is due to presence of

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Q. The strength of metallic bonding also increases with the increase in

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Q. The electrons which are not associated with a single type of atom are termed as

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Q. The regular arrangement in which atoms are closely packed together is called a

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Q. Metallic bonding is very strong because of

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Q. Although mercury (Hg) is held by metallic bonding yet it is a

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Q. When high voltage will be passed through a metal, electricity will

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Q. Number of electrons is highest in

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Q. Which statement is incorrect?

Along a column in Inert gases (He, Ar, Kr, Ne, Xe, Ra)

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Q. The atomic number is the number of

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Q. The sum of protons and neutrons in an atom gives off

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Q. The elements which have the same number of protons but different number of neutrons are called

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Q. The proton number is denoted by the symbol

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Q. Particular element posses the same number of electrons hence have the same

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Q. The number of atoms in the same element has the same number of

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Q. Hydrogen has a number of isotopes

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Q. Specific radioactive isotopes are used for

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