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Briefly explain (a) valency (b) atomic size (c) mettalic and non metallic |
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Answer» a) Valency: The no. of electrons present in an atom at the OUTERMOST shell is called it's Valency. b) Atomic SIZE: The atomic radius of a chemical element is a MEASURE of the size of its atoms, usually the mean or typical distance from the center of the nucleus to the boundary of the surrounding cloud of electrons. C)*Mettalic : Refers to the level of reactivity of a metal. *Nonmetallic: RELATES to the tendency to accept electrons during chemical reactions. |
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