Question

Why did Mendeleev left some gap in his periodic table? ​

Answer 1

Answer:

Mendeleev left gaps in his table to place elements not known at the time. By looking at the chemical properties and physical properties of the elements next to a gap, he could also predict the properties of these undiscovered elements. ... The element germanium was discovered later.

Explanation:

Mark me as the Brainliest and like this also and follow me also

Answer 2

Answer:

Mendeleev left gaps in his table to place elements not known at the time. By looking at the chemical properties and physical properties of the elements next to a gap, he could also predict the properties of these undiscovered elements. The element germanium was discovered later.

Hope it helped you mate.... XD

Please mark me as the brainliest