Answer:
they are in group II and they have two electrons in their outermost energy levels ( valency)...is this helpful?
Group II (Second left group)
Valency = 2
More Information :
The alkaline earth metals are named after their oxides, the alkaline earths, whose old-fashioned names were beryllia, magnesia, lime, strontia, and baryta. These oxides are basic (alkaline) when combined with water.
The elements are
the volume is 12.79ml
Explanation:
12.8+12.7+12.78+12.88=51.16
51.16/4
=12.79
0.675
Physical change
