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(4) K
(2) Li
(3) Mg
14. Who developed long form of the periodic table?
111​

By Allison

(4) K
(2) Li
(3) Mg
14. Who developed long form of the periodic table?
111​

About the author
Allison

Which is the largest producer of coal in India

a. khetri ,Rajasthan
b. singhbhum ,jharkhand ​

A tube of glitter can colour 50 cm of paper. Reena made a poster with length and breadth 2.5 m and 3 m respectively. If Reena uses

2 thoughts on “(4) K<br />(2) Li<br />(3) Mg<br />14. Who developed long form of the periodic table?<br />111​”

  1. Answer:

    Dmitri Mendeleev.

    Explanation:

    In 1869, Russian chemist Dmitri Mendeleev arranged 63 elements by increasing atomic weight in several columns, noting recurring chemical properties across them.

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