Answer:
Leon
Explanation: all take up space and will have a mass to it.
Answer:
the electron cloud model is the current model of atom
In the column have the same electrons on the outer shell. Which the outer shell electrons are call valence electrons.
1) KCl
Potassium Chloride is an ionic bond because it exists between a metal and a nonmetal. The Potassium ion is a cation, carrying a +1 charge; the Chlorine is an anion, carrying a -1 charge.
The surface area is greater with the crushed solid so more of the material is exposed to the gas allowing more reactions