Question
Look at Selenium (Se) and Oxygen (O) on the Periodic Table which one is larger? (1 point)
Responses
Oxygen (O)
Oxygen (O)
They are both the same size
They are both the same size
Selenium (Se)
Responses
Oxygen (O)
Oxygen (O)
They are both the same size
They are both the same size
Selenium (Se)
Answers
GPT-4o mini
Selenium (Se) is larger than Oxygen (O). This is because, as you move down the periodic table, the atomic radius increases due to the addition of electron shells. Therefore, Selenium, being further down in group 16 of the periodic table, has a larger atomic radius compared to Oxygen.