Question

Which inference can be made from the fact that Mendeleev left empty spaces in his periodic table?(1 point)ResponsesHe assumed that there were still undiscovered elements.He assumed that there were still undiscovered elements.He assumed that atomic masses were not measured accurately.He assumed that atomic masses were not measured accurately.He assumed that science will cease to advance.He assumed that science will cease to advance.He assumed that properties of elements can change.He assumed that properties of elements can change.

Answer 1

The inference that can be made from the fact that Mendeleev left empty spaces in his periodic table is: **He assumed that there were still undiscovered elements.**