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Ionisation energy is the energy required to remove one electron from an isolated gaseous atom (in its ground state). This generates a cation (ion with a positive charge).
Both Mg and Al are in period...

The main difference is that covalent bonding is the sharing of electrons, whereas in ionic bonding electrons are transferred. Ionic bonding is between a metal and a non-metal whereas covalent bonding is b...

0.184mol/dm³

Hydrogen chloride has a simple molecular structure. The atoms within the molecule are held together by strong covalent bonds. However, for simple covalent molecules to melt only the weak intermolecular f...

Molecular shape is based on VSEPR Theory which states that electrons in lone pairs repel other electrons in lone pairs the most. Electrons in lone pairs repel electrons in bonding pairs less and electrons...