Question Detail
Question
According to the document, which element is considered the actual first member of Group 1, despite hydrogen often being placed there?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Page 3 states, 'Although hydrogen (H) is the first element in the periodic table and is usually placed in group 1, the actual first member of group 1 is lithium.'
Hint
Look for the element explicitly named as the 'actual first member' of Group 1.