Respuesta :
Atomic mass increases when: 1) We go to the right from the left
2) We move down the group
Hope this helps!
2) We move down the group
Hope this helps!
Answer:
ruw9nhguerg9oewrnhker h erhwiejrherwohpkeroh
Explanation:
nainwe hjernopegwrmohik rephoiegnqwunhrpo
rw;b][qer,ohj30ps
=`24lpe,rfjreopih\(9, 7)