please help i’ll mark u brainliest if ur right

Answer:
hii there
1 ) is Magnesium ( Mg ) with atomic number 12
2 ) is Flerovium ( Fl ) with atomic number 114
3 ) is sulfur ( S ) with atomic number 16
4 ) is helium ( He ) with atomic number 2
now
1 ) is sulfur
2 ) is helium