Transition ______, groups 3B-2B (3-12) have high (34) ______ and ______ points, are hard with high densities.

Transition words/phrases that could fit in this context: Additionally, Furthermore, Moreover, In addition, Furthermore, On top of that.

Transition phrases: In terms of, When it comes to, Regarding, In relation to.

Sentence example: Additionally, in terms of their characteristics, groups 3B-2B (3-12) have high melting and boiling points, and are hard with high densities.

The question seems to be incomplete as there are placeholders indicated with underscores. In order to provide a complete answer, please fill in the missing information between the placeholders so I can understand the question better and assist you accurately.

Transition metals, groups 3B-2B (3-12) have high melting and boiling points, are hard with high densities.