OwnerOwner
Empty chairs in the table
Lumen · High school
Mendeleev's table in the front of Volume I. Groups, series, and dashes. The gaps are chairs. The course owns the table, not inorganic chemistry.
Student age
10years · 5th grade
Lumen · High school
Mendeleev's table in the front of Volume I. Groups, series, and dashes. The gaps are chairs. The course owns the table, not inorganic chemistry.
Student age
10years · 5th grade