Question

difference between metals and noble gas​

Answer 1

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In chemistry, a metal is an element that readily forms positive ions (cations) and has metallic bonds. Metals are sometimes described as a lattice of positive ions surrounded by a cloud of delocalized electrons.

The noble gases are the chemical elements in group 18 of the periodic table. They are the most stable due to having the maximum number of valence electrons their outer shell can hold. Therefore, they rarely react with other elements since they are already stable.

Answer 2

Answer:

Metals:

elements of group 1(except hydrogen) and group 2 are called metals.they are electropositive i.e they have the tendency to lose electrons to form cations.they have low ionization and electron affinity values.

Noble gases:

the elements of group 18 are called noble gases.they are stable because their valence shells are complete. they have high ionization values and electron affinity of noble gases is 0.all atoms try their best to achieve noble gas electronic configuration.