(b) Mendeleev's contributions to the concept of periodic table laid th

1.	(b) Mendeleev's contributions to the concept of periodic table laid the foundation for the Modern Periodic Table. Give reasons.
Answer» ong>Answer: Mendeleev laid the foundation for the modern periodic table by showing periodicity of the properties of the elements by ARRANGING the elements (63) then known into 8 groups, by LEAVING gaps for undiscovered elements and predicting their properties. He made SEPARATE groups for metals and non-metals. Explanation: Mark me as BRAINLLEST.

(b) Mendeleev's contributions to the concept of periodic table laid the foundation for the Modern Periodic Table. Give reasons.

Answer»

ong>Answer:

Mendeleev laid the foundation for the modern periodic table by showing periodicity of the properties of the elements by ARRANGING the elements (63) then known into 8 groups, by LEAVING gaps for undiscovered elements and predicting their properties. He made SEPARATE groups for metals and non-metals.

Explanation:

Mark me as BRAINLLEST.

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(b) Mendeleev's contributions to the concept of periodic table laid the foundation for the Modern Periodic Table. Give reasons. ​

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(b) Mendeleev's contributions to the concept of periodic table laid the foundation for the Modern Periodic Table. Give reasons.