mendeeleve periodic tablemein kitne vertical group hai
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8group's and 7 period
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Eight.
Explanation:
- The Mendeleev periodic table was well accepted at his time. He explained the Mendeleev periodic table for the classification of elements.
- According to him, if elements are arranged on the basis of their atomic masses the elements can be classified easily according to their physical and chemical property. The Mendeleev periodic table has seven horizontal rows and eight vertical groups.
- He also left space for the new elements that will be discovered in the future.
- He also reacted elements with the hydrogen and oxygen and arranged elements on their property as well.
# Learn more with brainly about Mendeleev periodic table.
brainly.in/question/13559935.
brainly.in/question/14602997.
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