Answer:
Crystalline solids, or crystals, have distinctive internal structures that in turn lead to distinctive flat surfaces, or faces. The faces intersect at angles that are characteristic of the substance. When exposed to x-rays, each structure also produces a distinctive pattern that can be used to identify the material.
Explanation:
<span>SKJUGCiudsgcksuch clksjgc iuszskh sjgf a kuysdgf akg</span>
I believe the answer is option B. The bonded pair of valence electrons are shown using circles
Answer:the branch of science which examines the material of the universe and changes that these materials undergo
Chemistry deals with composition,structure,properties of matter and changes that these materials undergo
B and c are the correct answers
