Question 252959 X atom has electronic configuration of 1s² 2s² 2p⁴. What are the period and group of element X in the periodic table October 20, 2022/by admin https://papershelpdesk.com/wp-content/uploads/2021/05/Logo-300x75.png 0 0 admin https://papershelpdesk.com/wp-content/uploads/2021/05/Logo-300x75.png admin2022-10-20 00:30:472022-10-20 00:30:47Question 252959
