Answer:
It has 140 neutrons because Mass number= No of protons + no of neutrons
Answer:
an uncharged molecule (typically highly reactive and short-lived) having an unpaired valency electron.
Answer:
Aye bro you from discovery too
Explanation:
Answer:
a. It will accept one electron to complete its outer shell.
Explanation:
Chlorine is in Group 17, so it has <em>seven valence electrons</em>, one short of a complete outer shell.
Thus, it will accept an electron from sodium to complete its outer shell.