Answer:
los metales alcalinotérreos: berilio (Be), magnesio (Mg), calcio (Ca), estroncio (Sr), bario (Ba) y radio (Ra).
o simplemente llamado grupo 2A
Explanation:
I believe the answer is concentration
Sorry if I’m wrong hope this helps
My view point is that i disagree and that the rules are completely different
Density is a physical property. It's measured and doesn't change the object chemically.
