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CnH2n+2

1s² 2s² 2p⁵

When molten, the ions of an ionically bonded compound can move freely carrying charge. When solid, the oppositely charged ions are held in place by strong forces and therefore cannot conduct electricity.<...

Mn²⁺ + 4H₂O => MnO^{​​​​​}₄^- + 8H⁺  + 5e^-

The proton's relative charge is +1 The neutron's relative charge is 0 The electron's relative charge is -1.