3- Periodicity

Question 1

First Ionization Energy

Answer 1

The energy required to remove one electron from an atom in its gaseous state (measured in kJ×mol-1)

Question 2

Electronegativity

Answer 2

A measure of an atom’s relative ability to attract a bonding pair of electrons to itself.

Question 3

Ligand

Answer 3

An atom, ion or molecule that can donate a pair of electrons to form a dative covalent bond to a metal ion thereby forming a complex ion.