The elements that have the most similar chemical properties are those that have the same number of valence electrons. Elements with the same number of valence electrons can be found in the same column or "group" on the periodic table. The elements that satisfy this criterion are Mg, Sr, and Ba.
Answer:
a book sitting on a desk (D)
Explanation:
this is true because all of the other objects are representing mostly potential to kinetic energy but the book is only potential energy
___________________________________________________________hope this helps pls make me brainliest :p
Ionic crystals are hard because of tight packing lattices, say, the positive and negative ions are strongly attached among themselves.
