Do you think it is possible for two neutral objects to both become positively charged after they are rubbed together ? Explain !
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Ответ:
Ionic
Explanation:
Ionic bonds are formed by transfer of electrons between metal and non metals. Covalent bonds are formed by sharing of electrons between non metals
In Sodium chloride
Electronic configuration of sodium:
Sodium atom will loose one electron to gain noble gas configuration and form sodium cation with +1 charge.
Electronic configuration of chlorine:
Chlorine atom will gain one electron to gain noble gas configuration and form chloride ion with -1 charge.
In sodium chloride the one electron from sodium metal gets transferred to chlorine atom and thus is ionic.