Permitió a los biólogos y médicos antiguos observar el mundo de lo diminuto a través de una de sus ramas, la óptica (microscopio). *

convalent bond :

is a chemical bond formed by the sharing of electron between 2 atoms.

it is the direct chemical bond between 2 atoms.

in bond formation atoms are involved here.

electrovalent bond:

is a chemical bond defined as electroststic attraction between 2 atoms.

it is the electrostatic attraction between 2 atoms.

in bond formation, ions are involved here.

hope it

and ur welcm

: )

the energy to form plasma comes from heat or electricity in the atmosphere!

sunny~ ☺

gravity causes stares to cluster i think so

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