MU 2A consists of beryllium (Be), magnesium (Mg), calcium (Ca) Now the Siem (Sr), barium (Ba) and Radium.(Ra), it is interesting to note that some of the treasures.1. every element is metal. There is little density, melting point, and boiling point is not high.2. every element has a Valence electron is equal to 2.3. element will lose electrons easily give to other substances, but harder to trace elements moo.9 1A.4. There are less reactive element in the villages in the 1A.5. the reaction with oxygen compound oxide shoe There is a treasure, bass.
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