Answer:
G Periods
1 - H = Hydrogen 1
1 - LI = Lithium 2
18 - AR = Argon 3
2 - CA = Calcium 4
7 - MM = Manganes 4
13 - B = Boron 2
15 - N = Nitrogen 2
17 - F = Fluirine 2
17 - I = Iodine 5
15 - P = Phosphorus 3
Hope this help this is the only Elements i know
