Like charges repel and unlike charges attract 2. Atomic Structure 4. Ion - an electrically unbalanced form of an atom. An atom is the smallest unit of an element. Abundance of elements in the total mass of the earth, by wt.
Atoms combine through bonding.
There are 3 types of bonds. The most common minerals We'll learn the important ones because they tell us how the earth works. A. Mineral groups - 1. Have Si in structure, but not a lot. Most have low melting temps and in general, are rich in Si.