WorksheetsRelative atomic, molecular and formula masses
Total questions: 16
Worksheet time: 12mins
________ is the average mass of one atom of an element compared to one-twelfth the mass of an atom of carbon-12.
Relative atomic mass
Relative molecular mass
Relative formula mass
Relative ionic mass
________ is the average mass of one atom of one molecule compared to one-twelfth the mass of an atom of carbon-12.
Relative atomic mass
Relative ionic mass
Relative molecular mass
Relative formula mass
________ is the average mass of one atom of one formula unit compared to one-twelfth the mass of an atom of carbon-12.
Relative ionic mass
Relative atomic mass
Relative molecular mass
Relative formula mass
What is the unit of relative molecular mass?
grams (g)
no unit
grams per mole (g/mol)
pounds
The relative atomic mass is the average mass of an atom compared to:
the mass of one atom of carbon-12
the mass of 1/12 atom of carbon-12
the mass of one atom of carbon-14
the mass of 1/14 atom of carbon-14
What is the relative formula mass of ammonium nitrate?
[N]=14, [O]=16, [H]=1.
90
31
80
60
What is the relative atomic mass of oxygen?
[O]=16
32
16
8
24
What is the relative molecular mass of oxygen compound?
[O]=16
16
8
32
6
What is the relative atomic mass of calcium?
[Ca]=40
40
20
12
18
What is the relative molecular mass of nitrogen gas?
[N]=14
14
28
7
16
What is the relative atomic mass of nitrogen?
[N]=14
28
7
14
16
What is the relative molecular mass of glucose C6H12O6?
[C]=12, [H]=1, [O]=16
180
120
90
72
What is the relative formula mass of magnesium carbonate?
[Mg]=24, [C]=12, [O]=16
64
94
84
72
What is the relative formula mass of sodium chloride?
[Na]=23, [Cl]=35.5
58.5
93
94
60
What is the relative atomic mass of chlorine?
[Cl]=35.5
35.5
70
71
36.5
What is the relative molecular mass of chlorine gas?
[Cl]=35.5
70.5
71
35.5
35.6
