Physical Science Formula mass assignment #3
Rb3PO3
Element
Name _____________________________________
CrC2O4
Number of
atoms
Mass
number
Element
Number of
atoms
Total
Total
2Rb3PO3 = ______________
4CrC2O4 = ______________
C3H7O2
KMnO4
Element
Number
of atoms
Mass
number
Element
Number
of atoms
Total
Al2(CrO4)3
Element
Number of
atoms
Mass
number
Mass
number
Total
(NH4)2C4H4O6
Mass
number
Total
3Al2(CrO4)3 = ______________
Element
Number of
atoms
Mass
number
Total
4(NH4)2C4H4O6 = ______________
Write the formula for each compound and then calculate the formula mass.
Tin(II) selenide
Germanium arsenide
Formula- ________________________
Formula- ____________________________
Element
Number of
atoms
Mass
number
Element
Number of
atoms
Total
Lead iodide
Total
Cesium phosphide
Formula- ________________________
Element
Mass
number
Number of
atoms
Mass
number
Formula- ____________________________
Element
Number of
atoms
Total
Mass
number
Total
Gallium sulfide
Barium bromide
Formula- ________________________
Formula- ____________________________
Element
Number of
atoms
Mass
number
Total
Element
Number of
atoms
Mass
number
Total