List the chemical elements that belong to the main subgroup 2 group.
| November 25, 2020 | education
Chemical elements that belong to the main subgroup 2 group: beryllium (Be), serial number 4; magnesium (Mg), atomic number 12; calcium (Ca), serial number 20; strontium (Sr), atomic number 38; barium (Ba), atomic number 56; radium (Ra), serial number 88.
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