Question

In 3 – 4 sentences and in your own words describe how Mendeleev’s periodic table differs from Moseley’s.

Answer 1

In Mendeleev's table, the periods were listed vertically. His groups were listed horizontally. He arranged them in a grid-like pattern.

Answer 2

Mendeleev's periodic table was based on atomic weight and Moseley's on atomic number.

Step-by-step explanation:

Mendeleev's periodic law was that the properties of elements varies periodically with the atomic weight.

Moseley's periodic law or modern periodic law is that the properties of elements are periodic function of their atomic number.