define metals and non metals
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Metal : A solid material which is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity (e.g. iron, gold, silver, and aluminium, and alloys such as steel).
Non metal : In chemistry, a nonmetal is an element that usually gains electrons when reacting with a metal, and which forms an acid if combined with oxygen and hydrogen. Nonmetals display more variety in color and state than do metals. About half are colored or colorless gases whereas nearly all metals are silvery-gray solids.
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Metal
- A metal is an element that rapidly generates positive ions (cations) and possesses metallic bonding, according to chemical definition.
- They have a proclivity for leaking electrons.
- Metals are frequently characterized as a lattice of positive ions surrounded by a cloud of delocalized electrons, despite the fact that the standard description emphasizes their bulk features.
Non metals
- By absorbing or acquiring electrons, non-metals produce negative ions (anions).
- They tend to gain electrons during chemical reactions because their outermost shell has 4,5,6, or 7 electrons.
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