Explanation:
In first one it should be 2Mg
and in second = 2Mgo
hope it helps....
The correct answer would be the last option. The property that is common to all group 2 elements is that they tend to form ionic bonds by losing electrons making these atoms positive charge. They are called cations. These elements are beryllium, magnesium, calcium, strontium, and radium.
Answer:
this should help *not a virus
Explanation:
https://kidshealth.org/en/teens/digestive-system.html
It creates chlorofluorocarbons(CFCs) also would create biooxygen but in the multiple choice it only shows the CFCs
