Question

who discovered modern periodic table​

Answer 1

Answer: Henry Moseley

Explanation:

Modern periodic table was discovered by Henry Moseley in1913 .it is made by the modification of Mandeleev's periodic table

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Answer 2

Modern periodic table​

Explanation:

• The modern periodic table was discovered by the Henry Moseley ​in 1914.
• Henry Moseley's work led to the revision of the periodic table by rearranging the elements by their atomic number.
• Henry Moseley concluded that the number of proton in an atom is its atomic number.
• Horizontal rows in the periodic table are called periods and vertical columns in the table are called groups.
• Elements in the modern periodic table are arranged in 7 periods and 18 groups.

Learn more: Modern periodic table

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