Question

Iron can exist as a solid or liquid. Which statement best comparison solid iron and liquid iron?

A. Solid iron and liquid iron have the same type of atoms.
B. Solid iron and liquid iron have different types of atoms.
C. Solid iron is an element, and liquid iron is a compound.
D. Liquid iron is an element, and solid iron is a compound.

Answer 1

a

Explanation:

Answer 2

Answer: Iron, a solid at room temperature, becomes a liquid at 2800 degrees Fahrenheit (really, REALLY hot) and a gas at 5182 degrees Fahrenheit (about half the temperature of the sun). When things are hot, the molecules and atoms move around more and faster, and when they are cold they are slower.

Step-by-step explanation: