Column A
1.
Argon (Ar):
Argon (Ar)
2.
Antimony (Sb):
Antimony (Sb)
3.
Cesium (Cs):
Cesium (Cs)
4.
Titanium (Ti):
Titanium (Ti)
Column B
a.47.867 amu
b.121.760 amu
c.22 amu
d.51 amu
e.39.948 amu
f.55 amu
g.132.905 amu
h.18 amu
1. e. 39.948 amu
2. g. 121.760 amu
3. f. 55 amu
4. d. 51 amu