How many horizontal rows and vertical columns are present in the modern periodic table?

How many horizontal rows and vertical columns are present in the modern periodic table?

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

The modem periodic table consists of seven horizontal rows called periods numbered from 1 to 7 and eighteen vertical columns called groups numbered from 1 to 18.

5 views Answered 2023-02-05 15:29

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