describes the three dimensional highly repeating
particles within a solid.

A. Amorphous

B. Metallic

C. Molecular

D. Crystal lattice

What is the nature of the ca-cl bond in a molecule of calcium chloride (cacl2) if the electronegativity value of calcium is 1.0 and that of chlorine is 3.16?

Match each object to its description: a. coma of a comet b. comet tail c. oort cloud haze surrounding a nucleus created by solar wind. hypothetical sphere around the solar system

Why is the melting of ice a physical change ?