Each element has a unique density. Under each of the chemical symbols in the periodic table below, is the density of that element.

Source: Density Periodic Table, Todd Helmenstine, About Chemistry

Since each element has a unique density and density is a size independent property, if you know the density of a substance and are given the volume, the mass can be determined. Likewise, if you know the density of a substance and are given the mass, the volume can be determined.

Interactive exercise. Assistance may be required. Let’s look at some example problems.


Now, you try some sample problems.

Complete the following table by calculating the unknown values.

Element
Symbol
Density (g/cm3)
Mass (g)
Volume (cm3)
Carbon
C
2.26
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?

12.70

5.62
Nickel
Ni
8.90
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?

15.49

1.74
Cobalt
Co
8.86
34.61
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?

3.905

Sulfur
S
2.07
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?

6.64

3.21
Potassium
K
0.89
47.32
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?

53.17

Phosphorous
P
1.82
87.32
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?

47.99

Silicon
Si
2.33
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?

632.0

271.2