Given that metals lose electrons, write the symbol for the
most common cation for each of the following.
a) Cs
b) Fe
c) Ba
Answers
a) Cs+ : cesium is in Group IA and will lose one
electron.
b) Fe2+ or Fe3+: iron is a transition
metal and can lose two or three electrons.
c) Ba2+: barium is in Group IIA and will lose two
electrons.