A rectangle has four 90-degree angles.
rectangle
A square is a rectangle, with the additional property of having four equal sides.
this describes a chemical property
It has five sides.
Texture is a property that describes how something feels.
One property of a rectangle is that all angles of the figure are right angles.
This is false. A rectangle has that property as well. Squares and rectangles have 4 sides and 4 right angles (90 degrees). The difference is that a square has 4 equal sides, while a rectangle does not.
It's "period"
For a start, a square IS a rectangle, so it has ALL the properties of a rectangle. A square has the additional property that all of its sides have the same length.
A square is a rectangle, with the additional property of having all four sides the same length.
Luster is a property of minerals that describes their appearance. A crystal is the structure that minerals possess due to the arrangement of their atomic particles.
The property that describes a mineral's surface shines is called luster.