An ionic compound is a chemical compound of ions held together by electrostatic forces termed ionic bonding
EXAMPLE -/Sodium chloride ,NaCl with Na+and Ci- ions
To possibly take down on the pollution we produce in the world
Al- 28
B- 11
C- 14
Sc- 46
Na- 24
Mass number= proton+neutrons
That table salt has a high melting point and mercury's melting point is low.
