Lustre is a physical property, because... Look up a few definitions of "chemical property." In every one you will find that it involves chemical reactions, or changes in the identity of a substance. Lustre (shininess) is a property that can be observed without any chemical changes to the substance, so it can't be a chemical property.
The lustre is a physical property of materials.
It is physical
Neither. Luster is a property of metals.
physical property
Luster is a physical property.
Physical
Luster is a physical property or reaction.
Luster is a physical property.
Shiny and silvery are not chemical properties. These are physical properties.
physical change
Metalloids have physical characteristics of metals and nonmetals. Non metals are brittle and without luster. Metals are malible (or bendy) and have luster.
Luster is a physical property or reaction.
Luster (lustre) is a physical property.
Luster (lustre) is a physical property.
Luster (lustre) is a physical property.
Luster is a physical property.
Luster is not a change, it is a characteristic.
Luster is a physical property.
Shiny and silvery are not chemical properties. These are physical properties.
Lustre is physical property of matter, so it ts a physical change.
Luster is a physical property of crystals.
physical change
The luster of silver jewelry is considered a physical property. Luster refers to the way a material reflects light, and in the case of silver jewelry, its shiny and reflective appearance is a physical characteristic that can be observed without any chemical reactions occurring.