As the elements in Period 2 of the PT are considered in succession from left to right, there is a decrease in atomic radius with increasing atomic number. number of protons increases, the number of shells of electrons remains the same.
1 IVF typically costs $8,000 to $15,000 per cycle; the national average is $12,400, according the The American Society for Reproductive Medicine.2  Extra embryos can be frozen and implanted later, which is simpler and less expensive -- usually about $1,800 to $4,000 -- than another fresh cycle. For couples financing the cost of their own IVF, some clinics offer risk-sharing and pregnancy guarantee programs for about $16,000 to $25,000 total.
In-vitro fertilization in Canada costs around $8000 per cycle. However, the provinces of Ontario and Quebec have recently started covering IVF on government health insurance, so residents of the two provinces can have up to three cycles done for free with a Doctor recommendation.