Non living things are abiotic so sand is abiotic
Answer:
The purpose of molecular modeling is to provide a three-dimensional image (either physical or software-based) that allows a chemist to better see the manner in which atoms and molecules can interact. These models can be used to interpret existing observations or to predict new chemical behavior.
Explanation:
It can describe shape and how they connect while forming the electrons.
You should put a picture or finish the question
An ELEMENT is a substance that cannot be broken down into other substances by ordinary chemical procedures. Some easy examples would be: <span>gold, iron, carbon, </span>hydrogen<span>, </span>oxygen<span>, nitrogen.</span>