Group 1 elements with an oxidation number of 1 include which of the following?
Check all that apply.
O A. Potassium
B. Lithium
O C. Calcium
1 D. Magnesium

Select the correct answer from each drop-down menu. to make a table of the elements, dmitri mendeleev sorted the elements according to their . he then split the list of elements into several columns so that elements beside each other had similar .