Which physical properties can be used to identify an unknown material?

choose all answers that are correct.

a.
ability to rust

b.
malleability

c.
weight

d.
thermal conduction

The physical properties that can be used to identify an unknown material are the ability to rust, malleability and thermal conduction. The answers are letters A, B and D. Weight cannot be used to identify an unknown material.

kepler used the data from tycho blahe (his mentor) to construct the laws of planetary motion.