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The outer electron is further from the nucleus of the atom, therefore feeling less effective nuclear attraction . As you descend the group 1 metals, more shells of electrons are present in the metal...
CnH2n+2
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.<...
The proton's relative charge is +1 The neutron's relative charge is 0 The electron's relative charge is -1.
Metal and non metal so ionic bondingStrong electrostatic forces of attraction between the positive and negative ionsWhich require lots of energy to break
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