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What Are the Main Features of Mendeleev’S Periodic Table? - SSC (Marathi Semi-English) 10th - Science and Technology - 1

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Question

What are the main features of Mendeleev’s periodic table?

Solution

Main features of Mendeleev’s periodic table :
(i) The horizontal rows in the periodic table are called periods. There are seven periods. These are numbered from 1 to 7.
(ii) Properties of elements in a particular period show regular gradation from left to right.
(iii) Vertical columns in the periodic table are called groups. There are eight groups numbered from I to VIII. Groups I to VII are further divided into A and B  subgroups.

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APPEARS IN

 2015-2016 (March) (with solutions)
Question 3.1 | 3.00 marks
Solution What Are the Main Features of Mendeleev’S Periodic Table? Concept: Mendeleev’s Periodic Table.
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