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| Questão | Responda |
| What happens when a Group 2 metal reacts with oxygen? | They form ionic oxides: 2M + O2 ---> 2CaO The metal is oxidised, losing 2 elections: Ca ---> (Ca2+) + 2e |
| What happens when a Group 2 metal reacts with/ is heated in chlorine? | They form ionic chlorides: M + Cl2 ---> MCl2 |
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