Describe how hydro-energy can be converted into electrical energy. Write two limitations of hydro-energy. 5. An element m has atomic number 12. (a) write its electronic configuration. (b) state the group to which m belongs. (c) is m a metal or a non-metal? (d) write the formula of its oxide.
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by hydro power plant from mechanical to electrical energy in turbine
5. Mg > EC. 2,8,2
second group
It is a metal
MgO
yuvraj1405:
Mg2o
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