1.

Complete Table by examining the arrangement of electrons before and after the chemical reaction during the formation of sodium chloride.  Sodium   Chlorine Before chemical reaction After chemical reaction Before chemical reaction After the chemical reaction Electrons Configuration2,8,1 2,8,1 2,8,7 2,8 Number of electrons 11 10 17 18 Number of protons 11 11 17 17ChargeCharge less Positive charge Charge less negative chargea) Which atom donates electron? How many electrons? b) Which atom accepts electron? How many electrons?

Answer»

a) Sodium, one electron 

b) Chlorine, one electron



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