What are some of the trends* in periodic table as you look across the from

the left side to the right? Answer about these...
•Number of electron shells
•Size of the atoms
•Types of ions formed
•Size of positive and negative ions
•Metallic nature and related properties
•Types of solutions made by oxides of these elements, and what this means.
If u answer them I will be so happy. I need them for my class assignment and I cant find answers