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WorksheetsRelative atomic mass & relative molecular mass
Total questions: 15
Worksheet time: 23mins
Each element is defined by the number of
Atoms
Isotopes
Neutrons
Protons
Nuclei.
What is the relative formula mass of ammonium nitrate, NH4NO3 ?
[Relative atomic mass: N, 14; H, 1; O, 16]
76
79
80
90
Calculate the relative formula mass of
copper (ii) chloride, CuCl2
[Relative atomic mass:
O = 16 ; Al = 27 ; S = 32 ; Cl = 35.5 ; Cu = 64 ]
(a)
Calculate the relative formula mass of
aluminium sulphate, Al2(SO4)3
[Relative atomic mass:
O = 16 ; Al = 27 ; S = 32 ; Cl = 35.5 ; Cu = 64 ]
(a)
What is the relative atomic mass (Ar) of Carbon?
6
12
18
7
What is the relative atomic mass (Ar) of Xenon (Xe)?
54
77
131
132
What is the relative atomic mass (Ar) of Chlorine (Cl)?
35.5
17
18.5
0.5
What is the relative molecular mass (Mr) of Hydrochloric Acid (HCl)?
18
34.5
36.5
35.1
