Which of these is a physical property of a substance?

Which of these is a physical property of a substance?

A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling points. A chemical property describes the ability of a substance to undergo a specific chemical change.

How can you identify a pure substance?

Introduction. Physical properties of a substance are characteristics that can be observed without altering the identity of the substance. Color, odor, density, melting temperature, boiling temperature, and solubility are examples of physical properties. Physical properties can be used to identify a pure substance.

How do you determine if a substance is a solid liquid or gas?

solid: Has a definite shape and volume. liquid: Has a definite volume, but take the shape of the container. gas: Has no definite shape or volume.

What term is used to describe the simplest pure substances?

An element is the simplest form of matter that has a unique set of properties. One element cannot be chemically converted to another element.

What is good evidence that an unknown sample is a pure substance?

According to this question, a good evidence that an unknown sample is a pure substance would be that: After evaporating a liquid, there is nothing left behind. This means that after using physical separation technique, THE PURE SUBSTANCE COULD NOT BE SEPARATED, hence, nothing is left behind.

Is f2 a pure element?

Atomic fluorine is univalent and is the most chemically reactive and electronegative of all the elements. In its pure form, it is a poisonous, pale, yellow-green gas, with chemical formula F2….Is f2 a element or compound?

Fluorine
Standard atomic weight Ar, std(F)	18.998403163(6)
Fluorine in the periodic table