Usually, a model is a depiction of a certain entity, never the real thing. In times
past, many, many models look great on paper but are way off!
It was empty , dark , and cold
The components are not permanently together. They can be separated and thats why its a mixture.
Answer:
reactant
Explanation:
I watched a chem video and this is what they called it.
Compounds that has two elements on the formula can be bonded by ionic or covalent bond. If the compound is a metal and a non-metal then it will be ionic bonding. However, when it involves two non-metals, then it will have covalent bonding.