A student investigated some properties of lead and recorded the findings in the table below.
Property
Color
Density
Volume of sample
Melting point
Reaction with air
Electrical conductivity
Observation
Dull gray
11.3 g/cm3
3 cm
327°C
Lead oxide forms on the surface
Conducts some electricity
Which statement is true with respect to the investigation?
The student investigated only the physical properties of lead.
The student investigated only the chemical properties of lead.
The student investigated more physical properties than chemical properties of lead.
The student investigated more chemical properties than physical properties of lead.

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