Answer:
A mixture of molecules is a group of molecules in which there are multiple different elements and atoms, that are in either fixed proportions or random. There are heterogeneous and homogenous mixtures.
Explanation:
Answer:
Ca generally loses two electrons from its outer shell to form a Ca2+ ion.
Minerals physical characteristics are hardness,luster,the way it’s solid and chemical would be the way the color changes and it’s density