Question

This element is the most common nodulizing element used to form graphite-rich cast iron. This element can be produced via a silicothermic reaction in the Bolzano process or the more cost-effective Pidgeon process. (20[1]0[1])This non-bromine element is extracted by the Dow process and is the third most common ion in seawater. Since this element is a cofactor of Taq ("tack") polymerase, this element's chloride is found in (*) PCR master mixes. (10[1])This element and calcium can be extracted from dolomite. This element is often used in flares since it gives off an intense white light when burned. The hepta·hydrate of this element's sulfate is Epsom salt. For 10 points, name this second-lightest alkaline earth metal, with atomic number 12. ■END■ (10[1])

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