Question

the element ruthenium is in what element group?
alkaline earth
alkali metal
halogen
transition metal

Explanation:

Ruthenium (Ru) is a chemical element with atomic number 44. It is located in group 8 of the periodic table and is classified as a transition metal. Alkaline earth elements are in group 2, alkali metals in group 1, and halogens in group 17.

Answer:

Transition metal