Which of the following groups of elements has the same designation according to both the American and European conventions?

Question

Quizplus · Accepted Answer

The American and European conventions for numbering groups in the periodic table differ for groups 3-12. The American system uses A for the main group elements and B for the transition metals, while the European system uses 1-18 continuously across the table. Therefore, none of the options (A-D), which are part of the main group and transition metals, have the same designation in both conventions.

Which of the Following Groups of Elements Has the Same