These four elements are most likely in group Eriq, a chemist, is running tests with four unknown
elements. He has found that they all bond the same
way, so he knows that they are in the same group on
the periodic table of elements. The table shows other
properties that Eriq observed.
O O O O
17.
Properties of Four Unknown Elements
Element # Melting Boiling Phase at room
point point temperature
1
266 K 332 K liquid
2
172 K 239 K
gas
3
387 K 457 K solid
4
53 K 85K
gas