Mercy's Journal

Manfaat  Kelimpahan Unsur, Sifat, dan  Pembuatan Gol.IIA By. Mercy Nathalia Bregitna 1.      Logam Alkali Tanah di Alam ·          Banyak tersebar di air laut dan batuan dalam bentuk bilangan oksidasi +2. ·          Umumnya berupa senyawa karbonat, silikat, atau sulfat, sebab kelarutan senyawa tersebut sangat kecil. ·          Be terdapat sebagai mineral beril (Be 3 Al 2 (SiO 3 ) 6 ) ·          Mg terdapat sebagai mineral magnesit (MgCO 3 ), dolomit (CaCO 3 .MgCO 3 ), dan asbestos (CaMg 3 (SiO 3 ) 4 ). ·          Ca terdapat pada dolomit, gips (CaSO 4. 2H 2 O), dan kalsium fosfat (Ca 3 (PO 4 ) 2 ). ·          Sr terdapat sebagai mineral selestit (SrSO 4 ). ·      ...

“ The One Best Friend”   karya Belle “The One Best Friend”   Thanks for being there for me, through good times and bad times. I will be on your side even if the the world ends. When the world is going, I will be here, now and until the end. Your my very best friend. The one that I look up to. The one that I run to, when I have a problem. The one that I talk to. Your the one best friend that was always there for me. I wanna thank you for all the things you gave and showed me.