Question

Write two different between mendeleevs periodic tables and modern periodic tables science solution

Answer 1

hy here is the answer......

• The main differences are: Mendeleev's periodic table is based on atomic mass. Modern periodic table is based on atomic number. ... According to Mendeleev's, the isotopes with different atomic weights, should be placed in different positions, but are not given any position and no justified reason was explained.

Answer 2

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mendeleev's periodic table...

• based on atomic mass...
• noble gases were not placed...

modern periodic table...

• based on atomic numbers...
• transition elements included...

hope!!... it helps uhh...❣️