It mostly because they're so reactive and if they were in their pure form and touched water they would have a very violent reaction. They also want to be more stable so they look for more electrons and quickly bond.
1.180
2.-900
3.20
4.8
Hope this helps
Cu =63.5
2 times N =28.02
6 times O =96
96=63.5=28.02=127.07
122/127.07=.96 molecules
<span>The process of removing or adding electrons is called ionization </span>
The answer is 2, liquid to vapor because vaporization is the process of liquids to vapors.